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Finding the Fourth Proportional to 486,703.08, 730,056.24 and 149,741.46

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Solution

The fourth proportional to 486,703.08, 730,056.24 and 149,741.46 is: 224,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,703.08 : 730,056.24 = 149,741.46 : x
  2. Step 2: Convert to fraction form
    486,703.08/730,056.24 = 149,741.46/x
  3. Step 3: Cross multiply
    486,703.08x = 730,056.24 × 149,741.46
  4. Step 4: Simplify right side
    486,703.08x = 109,319,687,259.71
  5. Step 5: Solve for x
    x = 109,319,687,259.71/486,703.08
  6. Step 6: Final answer
    x = 224,612.69

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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.