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Finding the Fourth Proportional to 614,335.35, 847,594.91 and 356,160.77

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Solution

The fourth proportional to 614,335.35, 847,594.91 and 356,160.77 is: 491,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,335.35 : 847,594.91 = 356,160.77 : x
  2. Step 2: Convert to fraction form
    614,335.35/847,594.91 = 356,160.77/x
  3. Step 3: Cross multiply
    614,335.35x = 847,594.91 × 356,160.77
  4. Step 4: Simplify right side
    614,335.35x = 301,880,049,774.90
  5. Step 5: Solve for x
    x = 301,880,049,774.90/614,335.35
  6. Step 6: Final answer
    x = 491,392.93

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Double scale
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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.