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Finding the Fourth Proportional to 316,773.60, 437,148.08 and 173,530.48

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Solution

The fourth proportional to 316,773.60, 437,148.08 and 173,530.48 is: 239,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,773.60 : 437,148.08 = 173,530.48 : x
  2. Step 2: Convert to fraction form
    316,773.60/437,148.08 = 173,530.48/x
  3. Step 3: Cross multiply
    316,773.60x = 437,148.08 × 173,530.48
  4. Step 4: Simplify right side
    316,773.60x = 75,858,516,153.48
  5. Step 5: Solve for x
    x = 75,858,516,153.48/316,773.60
  6. Step 6: Final answer
    x = 239,472.34

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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.