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Finding the Fourth Proportional to 319,301.52, 440,635.64 and 176,061.92

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Solution

The fourth proportional to 319,301.52, 440,635.64 and 176,061.92 is: 242,965.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,301.52 : 440,635.64 = 176,061.92 : x
  2. Step 2: Convert to fraction form
    319,301.52/440,635.64 = 176,061.92/x
  3. Step 3: Cross multiply
    319,301.52x = 440,635.64 × 176,061.92
  4. Step 4: Simplify right side
    319,301.52x = 77,579,153,715.34
  5. Step 5: Solve for x
    x = 77,579,153,715.34/319,301.52
  6. Step 6: Final answer
    x = 242,965.19

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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.