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Finding the Fourth Proportional to 616,331.60, 850,521.27 and 344,401.74

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Solution

The fourth proportional to 616,331.60, 850,521.27 and 344,401.74 is: 475,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,331.60 : 850,521.27 = 344,401.74 : x
  2. Step 2: Convert to fraction form
    616,331.60/850,521.27 = 344,401.74/x
  3. Step 3: Cross multiply
    616,331.60x = 850,521.27 × 344,401.74
  4. Step 4: Simplify right side
    616,331.60x = 292,921,005,295.01
  5. Step 5: Solve for x
    x = 292,921,005,295.01/616,331.60
  6. Step 6: Final answer
    x = 475,265.28

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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.