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Finding the Fourth Proportional to 648,092.34, 894,385.80 and 361,606.28

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Solution

The fourth proportional to 648,092.34, 894,385.80 and 361,606.28 is: 499,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,092.34 : 894,385.80 = 361,606.28 : x
  2. Step 2: Convert to fraction form
    648,092.34/894,385.80 = 361,606.28/x
  3. Step 3: Cross multiply
    648,092.34x = 894,385.80 × 361,606.28
  4. Step 4: Simplify right side
    648,092.34x = 323,415,517,550.90
  5. Step 5: Solve for x
    x = 323,415,517,550.90/648,092.34
  6. Step 6: Final answer
    x = 499,026.91

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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.