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Finding the Fourth Proportional to 616,161.30, 850,302.50 and 344,229.28

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Solution

The fourth proportional to 616,161.30, 850,302.50 and 344,229.28 is: 475,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,161.30 : 850,302.50 = 344,229.28 : x
  2. Step 2: Convert to fraction form
    616,161.30/850,302.50 = 344,229.28/x
  3. Step 3: Cross multiply
    616,161.30x = 850,302.50 × 344,229.28
  4. Step 4: Simplify right side
    616,161.30x = 292,699,013,510.30
  5. Step 5: Solve for x
    x = 292,699,013,510.30/616,161.30
  6. Step 6: Final answer
    x = 475,036.35

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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.