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Finding the Fourth Proportional to 573,741.20, 791,758.49 and 315,612.59

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Solution

The fourth proportional to 573,741.20, 791,758.49 and 315,612.59 is: 435,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,741.20 : 791,758.49 = 315,612.59 : x
  2. Step 2: Convert to fraction form
    573,741.20/791,758.49 = 315,612.59/x
  3. Step 3: Cross multiply
    573,741.20x = 791,758.49 × 315,612.59
  4. Step 4: Simplify right side
    573,741.20x = 249,888,947,683.39
  5. Step 5: Solve for x
    x = 249,888,947,683.39/573,741.20
  6. Step 6: Final answer
    x = 435,542.97

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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.