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Finding the Fourth Proportional to 616,592.90, 850,661.98 and 374,787.25

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Solution

The fourth proportional to 616,592.90, 850,661.98 and 374,787.25 is: 517,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,592.90 : 850,661.98 = 374,787.25 : x
  2. Step 2: Convert to fraction form
    616,592.90/850,661.98 = 374,787.25/x
  3. Step 3: Cross multiply
    616,592.90x = 850,661.98 × 374,787.25
  4. Step 4: Simplify right side
    616,592.90x = 318,817,259,910.45
  5. Step 5: Solve for x
    x = 318,817,259,910.45/616,592.90
  6. Step 6: Final answer
    x = 517,062.81

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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.