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Finding the Fourth Proportional to 672,132.60, 927,559.98 and 370,326.52

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Solution

The fourth proportional to 672,132.60, 927,559.98 and 370,326.52 is: 511,059.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,132.60 : 927,559.98 = 370,326.52 : x
  2. Step 2: Convert to fraction form
    672,132.60/927,559.98 = 370,326.52/x
  3. Step 3: Cross multiply
    672,132.60x = 927,559.98 × 370,326.52
  4. Step 4: Simplify right side
    672,132.60x = 343,500,059,484.67
  5. Step 5: Solve for x
    x = 343,500,059,484.67/672,132.60
  6. Step 6: Final answer
    x = 511,059.96

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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.