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Finding the Fourth Proportional to 676,009.28, 932,828.04 and 404,023.02

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Solution

The fourth proportional to 676,009.28, 932,828.04 and 404,023.02 is: 557,513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,009.28 : 932,828.04 = 404,023.02 : x
  2. Step 2: Convert to fraction form
    676,009.28/932,828.04 = 404,023.02/x
  3. Step 3: Cross multiply
    676,009.28x = 932,828.04 × 404,023.02
  4. Step 4: Simplify right side
    676,009.28x = 376,884,001,861.48
  5. Step 5: Solve for x
    x = 376,884,001,861.48/676,009.28
  6. Step 6: Final answer
    x = 557,513.06

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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.