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Finding the Fourth Proportional to 616,360.16, 850,575.25 and 344,428.31

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Solution

The fourth proportional to 616,360.16, 850,575.25 and 344,428.31 is: 475,310.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,360.16 : 850,575.25 = 344,428.31 : x
  2. Step 2: Convert to fraction form
    616,360.16/850,575.25 = 344,428.31/x
  3. Step 3: Cross multiply
    616,360.16x = 850,575.25 × 344,428.31
  4. Step 4: Simplify right side
    616,360.16x = 292,962,195,885.33
  5. Step 5: Solve for x
    x = 292,962,195,885.33/616,360.16
  6. Step 6: Final answer
    x = 475,310.08

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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.