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Finding the Fourth Proportional to 616,350.72, 850,825.95 and 374,710.45

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Solution

The fourth proportional to 616,350.72, 850,825.95 and 374,710.45 is: 517,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,350.72 : 850,825.95 = 374,710.45 : x
  2. Step 2: Convert to fraction form
    616,350.72/850,825.95 = 374,710.45/x
  3. Step 3: Cross multiply
    616,350.72x = 850,825.95 × 374,710.45
  4. Step 4: Simplify right side
    616,350.72x = 318,813,374,596.18
  5. Step 5: Solve for x
    x = 318,813,374,596.18/616,350.72
  6. Step 6: Final answer
    x = 517,259.68

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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.