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Finding the Fourth Proportional to 604,916.60, 907,374.90 and 424,513.40

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Solution

The fourth proportional to 604,916.60, 907,374.90 and 424,513.40 is: 636,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,916.60 : 907,374.90 = 424,513.40 : x
  2. Step 2: Convert to fraction form
    604,916.60/907,374.90 = 424,513.40/x
  3. Step 3: Cross multiply
    604,916.60x = 907,374.90 × 424,513.40
  4. Step 4: Simplify right side
    604,916.60x = 385,192,803,873.66
  5. Step 5: Solve for x
    x = 385,192,803,873.66/604,916.60
  6. Step 6: Final answer
    x = 636,770.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.