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Finding the Fourth Proportional to 614,895.96, 916,230.98 and 547,820.66

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Solution

The fourth proportional to 614,895.96, 916,230.98 and 547,820.66 is: 816,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,895.96 : 916,230.98 = 547,820.66 : x
  2. Step 2: Convert to fraction form
    614,895.96/916,230.98 = 547,820.66/x
  3. Step 3: Cross multiply
    614,895.96x = 916,230.98 × 547,820.66
  4. Step 4: Simplify right side
    614,895.96x = 501,930,260,176.05
  5. Step 5: Solve for x
    x = 501,930,260,176.05/614,895.96
  6. Step 6: Final answer
    x = 816,284.86

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.