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Finding the Fourth Proportional to 537,688.40, 806,532.60 and 348,731.60

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Solution

The fourth proportional to 537,688.40, 806,532.60 and 348,731.60 is: 523,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,688.40 : 806,532.60 = 348,731.60 : x
  2. Step 2: Convert to fraction form
    537,688.40/806,532.60 = 348,731.60/x
  3. Step 3: Cross multiply
    537,688.40x = 806,532.60 × 348,731.60
  4. Step 4: Simplify right side
    537,688.40x = 281,263,404,050.16
  5. Step 5: Solve for x
    x = 281,263,404,050.16/537,688.40
  6. Step 6: Final answer
    x = 523,097.40

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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.