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Finding the Fourth Proportional to 360,374.45, 497,197.87 and 231,385.19

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Solution

The fourth proportional to 360,374.45, 497,197.87 and 231,385.19 is: 319,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,374.45 : 497,197.87 = 231,385.19 : x
  2. Step 2: Convert to fraction form
    360,374.45/497,197.87 = 231,385.19/x
  3. Step 3: Cross multiply
    360,374.45x = 497,197.87 × 231,385.19
  4. Step 4: Simplify right side
    360,374.45x = 115,044,221,854.64
  5. Step 5: Solve for x
    x = 115,044,221,854.64/360,374.45
  6. Step 6: Final answer
    x = 319,235.24

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1.5x scale

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.