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Finding the Fourth Proportional to 372,534.52, 514,108.74 and 229,377.16

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Solution

The fourth proportional to 372,534.52, 514,108.74 and 229,377.16 is: 316,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,534.52 : 514,108.74 = 229,377.16 : x
  2. Step 2: Convert to fraction form
    372,534.52/514,108.74 = 229,377.16/x
  3. Step 3: Cross multiply
    372,534.52x = 514,108.74 × 229,377.16
  4. Step 4: Simplify right side
    372,534.52x = 117,924,802,712.38
  5. Step 5: Solve for x
    x = 117,924,802,712.38/372,534.52
  6. Step 6: Final answer
    x = 316,547.32

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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.