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Finding the Fourth Proportional to 614,169.34, 847,557.07 and 356,199.19

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Solution

The fourth proportional to 614,169.34, 847,557.07 and 356,199.19 is: 491,556.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,169.34 : 847,557.07 = 356,199.19 : x
  2. Step 2: Convert to fraction form
    614,169.34/847,557.07 = 356,199.19/x
  3. Step 3: Cross multiply
    614,169.34x = 847,557.07 × 356,199.19
  4. Step 4: Simplify right side
    614,169.34x = 301,899,138,803.38
  5. Step 5: Solve for x
    x = 301,899,138,803.38/614,169.34
  6. Step 6: Final answer
    x = 491,556.84

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.