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Finding the Fourth Proportional to 616,125.83, 850,223.12 and 344,139.57

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Solution

The fourth proportional to 616,125.83, 850,223.12 and 344,139.57 is: 474,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,125.83 : 850,223.12 = 344,139.57 : x
  2. Step 2: Convert to fraction form
    616,125.83/850,223.12 = 344,139.57/x
  3. Step 3: Cross multiply
    616,125.83x = 850,223.12 × 344,139.57
  4. Step 4: Simplify right side
    616,125.83x = 292,595,417,200.16
  5. Step 5: Solve for x
    x = 292,595,417,200.16/616,125.83
  6. Step 6: Final answer
    x = 474,895.56

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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.