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Finding the Fourth Proportional to 372,825.90, 514,535.52 and 229,669.74

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Solution

The fourth proportional to 372,825.90, 514,535.52 and 229,669.74 is: 316,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,825.90 : 514,535.52 = 229,669.74 : x
  2. Step 2: Convert to fraction form
    372,825.90/514,535.52 = 229,669.74/x
  3. Step 3: Cross multiply
    372,825.90x = 514,535.52 × 229,669.74
  4. Step 4: Simplify right side
    372,825.90x = 118,173,239,099.17
  5. Step 5: Solve for x
    x = 118,173,239,099.17/372,825.90
  6. Step 6: Final answer
    x = 316,966.28

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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.