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Finding the Fourth Proportional to 616,348.80, 850,557.15 and 344,417.37

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Solution

The fourth proportional to 616,348.80, 850,557.15 and 344,417.37 is: 475,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,348.80 : 850,557.15 = 344,417.37 : x
  2. Step 2: Convert to fraction form
    616,348.80/850,557.15 = 344,417.37/x
  3. Step 3: Cross multiply
    616,348.80x = 850,557.15 × 344,417.37
  4. Step 4: Simplify right side
    616,348.80x = 292,946,656,637.70
  5. Step 5: Solve for x
    x = 292,946,656,637.70/616,348.80
  6. Step 6: Final answer
    x = 475,293.63

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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.