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Finding the Fourth Proportional to 672,717.60, 928,354.62 and 366,799.02

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Solution

The fourth proportional to 672,717.60, 928,354.62 and 366,799.02 is: 506,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,717.60 : 928,354.62 = 366,799.02 : x
  2. Step 2: Convert to fraction form
    672,717.60/928,354.62 = 366,799.02/x
  3. Step 3: Cross multiply
    672,717.60x = 928,354.62 × 366,799.02
  4. Step 4: Simplify right side
    672,717.60x = 340,519,564,828.47
  5. Step 5: Solve for x
    x = 340,519,564,828.47/672,717.60
  6. Step 6: Final answer
    x = 506,185.01

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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.