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Finding the Fourth Proportional to 616,220.32, 850,299.51 and 344,254.42

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Solution

The fourth proportional to 616,220.32, 850,299.51 and 344,254.42 is: 475,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,220.32 : 850,299.51 = 344,254.42 : x
  2. Step 2: Convert to fraction form
    616,220.32/850,299.51 = 344,254.42/x
  3. Step 3: Cross multiply
    616,220.32x = 850,299.51 × 344,254.42
  4. Step 4: Simplify right side
    616,220.32x = 292,719,358,668.57
  5. Step 5: Solve for x
    x = 292,719,358,668.57/616,220.32
  6. Step 6: Final answer
    x = 475,023.87

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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.