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Finding the Fourth Proportional to 372,532.02, 514,105.32 and 229,374.66

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Solution

The fourth proportional to 372,532.02, 514,105.32 and 229,374.66 is: 316,543.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,532.02 : 514,105.32 = 229,374.66 : x
  2. Step 2: Convert to fraction form
    372,532.02/514,105.32 = 229,374.66/x
  3. Step 3: Cross multiply
    372,532.02x = 514,105.32 × 229,374.66
  4. Step 4: Simplify right side
    372,532.02x = 117,922,732,979.19
  5. Step 5: Solve for x
    x = 117,922,732,979.19/372,532.02
  6. Step 6: Final answer
    x = 316,543.89

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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.