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Finding the Fourth Proportional to 616,929.31, 851,385.63 and 344,996.62

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Solution

The fourth proportional to 616,929.31, 851,385.63 and 344,996.62 is: 476,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,929.31 : 851,385.63 = 344,996.62 : x
  2. Step 2: Convert to fraction form
    616,929.31/851,385.63 = 344,996.62/x
  3. Step 3: Cross multiply
    616,929.31x = 851,385.63 × 344,996.62
  4. Step 4: Simplify right side
    616,929.31x = 293,725,163,831.84
  5. Step 5: Solve for x
    x = 293,725,163,831.84/616,929.31
  6. Step 6: Final answer
    x = 476,108.30

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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.