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Finding the Fourth Proportional to 537,955.02, 742,380.03 and 323,098.74

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Solution

The fourth proportional to 537,955.02, 742,380.03 and 323,098.74 is: 445,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,955.02 : 742,380.03 = 323,098.74 : x
  2. Step 2: Convert to fraction form
    537,955.02/742,380.03 = 323,098.74/x
  3. Step 3: Cross multiply
    537,955.02x = 742,380.03 × 323,098.74
  4. Step 4: Simplify right side
    537,955.02x = 239,862,052,294.16
  5. Step 5: Solve for x
    x = 239,862,052,294.16/537,955.02
  6. Step 6: Final answer
    x = 445,877.52

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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.