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Finding the Fourth Proportional to 316,708.04, 437,057.15 and 173,473.21

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Solution

The fourth proportional to 316,708.04, 437,057.15 and 173,473.21 is: 239,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,708.04 : 437,057.15 = 173,473.21 : x
  2. Step 2: Convert to fraction form
    316,708.04/437,057.15 = 173,473.21/x
  3. Step 3: Cross multiply
    316,708.04x = 437,057.15 × 173,473.21
  4. Step 4: Simplify right side
    316,708.04x = 75,817,703,711.30
  5. Step 5: Solve for x
    x = 75,817,703,711.30/316,708.04
  6. Step 6: Final answer
    x = 239,393.05

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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.