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Finding the Fourth Proportional to 672,002.66, 927,363.26 and 370,196.66

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Solution

The fourth proportional to 672,002.66, 927,363.26 and 370,196.66 is: 510,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,002.66 : 927,363.26 = 370,196.66 : x
  2. Step 2: Convert to fraction form
    672,002.66/927,363.26 = 370,196.66/x
  3. Step 3: Cross multiply
    672,002.66x = 927,363.26 × 370,196.66
  4. Step 4: Simplify right side
    672,002.66x = 343,306,781,458.71
  5. Step 5: Solve for x
    x = 343,306,781,458.71/672,002.66
  6. Step 6: Final answer
    x = 510,871.16

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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.