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Finding the Fourth Proportional to 648,073.66, 894,384.84 and 361,600.15

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Solution

The fourth proportional to 648,073.66, 894,384.84 and 361,600.15 is: 499,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,073.66 : 894,384.84 = 361,600.15 : x
  2. Step 2: Convert to fraction form
    648,073.66/894,384.84 = 361,600.15/x
  3. Step 3: Cross multiply
    648,073.66x = 894,384.84 × 361,600.15
  4. Step 4: Simplify right side
    648,073.66x = 323,409,692,301.73
  5. Step 5: Solve for x
    x = 323,409,692,301.73/648,073.66
  6. Step 6: Final answer
    x = 499,032.30

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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.