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Finding the Fourth Proportional to 616,445.94, 850,957.35 and 374,805.73

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Solution

The fourth proportional to 616,445.94, 850,957.35 and 374,805.73 is: 517,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,445.94 : 850,957.35 = 374,805.73 : x
  2. Step 2: Convert to fraction form
    616,445.94/850,957.35 = 374,805.73/x
  3. Step 3: Cross multiply
    616,445.94x = 850,957.35 × 374,805.73
  4. Step 4: Simplify right side
    616,445.94x = 318,943,690,423.79
  5. Step 5: Solve for x
    x = 318,943,690,423.79/616,445.94
  6. Step 6: Final answer
    x = 517,391.17

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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.