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Finding the Fourth Proportional to 316,734.04, 475,041.66 and 158,920.12

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Solution

The fourth proportional to 316,734.04, 475,041.66 and 158,920.12 is: 238,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,734.04 : 475,041.66 = 158,920.12 : x
  2. Step 2: Convert to fraction form
    316,734.04/475,041.66 = 158,920.12/x
  3. Step 3: Cross multiply
    316,734.04x = 475,041.66 × 158,920.12
  4. Step 4: Simplify right side
    316,734.04x = 75,493,677,612.20
  5. Step 5: Solve for x
    x = 75,493,677,612.20/316,734.04
  6. Step 6: Final answer
    x = 238,350.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.