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Finding the Fourth Proportional to 616,350.47, 850,825.61 and 374,710.20

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Solution

The fourth proportional to 616,350.47, 850,825.61 and 374,710.20 is: 517,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,350.47 : 850,825.61 = 374,710.20 : x
  2. Step 2: Convert to fraction form
    616,350.47/850,825.61 = 374,710.20/x
  3. Step 3: Cross multiply
    616,350.47x = 850,825.61 × 374,710.20
  4. Step 4: Simplify right side
    616,350.47x = 318,813,032,614.67
  5. Step 5: Solve for x
    x = 318,813,032,614.67/616,350.47
  6. Step 6: Final answer
    x = 517,259.34

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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.