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Finding the Fourth Proportional to 573,641.53, 791,626.90 and 315,544.92

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Solution

The fourth proportional to 573,641.53, 791,626.90 and 315,544.92 is: 435,452.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,641.53 : 791,626.90 = 315,544.92 : x
  2. Step 2: Convert to fraction form
    573,641.53/791,626.90 = 315,544.92/x
  3. Step 3: Cross multiply
    573,641.53x = 791,626.90 × 315,544.92
  4. Step 4: Simplify right side
    573,641.53x = 249,793,845,252.62
  5. Step 5: Solve for x
    x = 249,793,845,252.62/573,641.53
  6. Step 6: Final answer
    x = 435,452.86

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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.