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Finding the Fourth Proportional to 573,645.54, 791,632.42 and 315,548.92

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Solution

The fourth proportional to 573,645.54, 791,632.42 and 315,548.92 is: 435,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,645.54 : 791,632.42 = 315,548.92 : x
  2. Step 2: Convert to fraction form
    573,645.54/791,632.42 = 315,548.92/x
  3. Step 3: Cross multiply
    573,645.54x = 791,632.42 × 315,548.92
  4. Step 4: Simplify right side
    573,645.54x = 249,798,755,167.99
  5. Step 5: Solve for x
    x = 249,798,755,167.99/573,645.54
  6. Step 6: Final answer
    x = 435,458.38

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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.