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Finding the Fourth Proportional to 737,688.60, 1,106,387.10 and 358,608.60

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Solution

The fourth proportional to 737,688.60, 1,106,387.10 and 358,608.60 is: 537,842.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,688.60 : 1,106,387.10 = 358,608.60 : x
  2. Step 2: Convert to fraction form
    737,688.60/1,106,387.10 = 358,608.60/x
  3. Step 3: Cross multiply
    737,688.60x = 1,106,387.10 × 358,608.60
  4. Step 4: Simplify right side
    737,688.60x = 396,759,928,989.06
  5. Step 5: Solve for x
    x = 396,759,928,989.06/737,688.60
  6. Step 6: Final answer
    x = 537,842.02

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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.