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Finding the Fourth Proportional to 636,111.60, 954,167.40 and 605,007.60

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Solution

The fourth proportional to 636,111.60, 954,167.40 and 605,007.60 is: 907,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,111.60 : 954,167.40 = 605,007.60 : x
  2. Step 2: Convert to fraction form
    636,111.60/954,167.40 = 605,007.60/x
  3. Step 3: Cross multiply
    636,111.60x = 954,167.40 × 605,007.60
  4. Step 4: Simplify right side
    636,111.60x = 577,278,528,672.24
  5. Step 5: Solve for x
    x = 577,278,528,672.24/636,111.60
  6. Step 6: Final answer
    x = 907,511.40

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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.