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Finding the Fourth Proportional to 648,192.17, 894,398.25 and 361,711.58

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Solution

The fourth proportional to 648,192.17, 894,398.25 and 361,711.58 is: 499,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,192.17 : 894,398.25 = 361,711.58 : x
  2. Step 2: Convert to fraction form
    648,192.17/894,398.25 = 361,711.58/x
  3. Step 3: Cross multiply
    648,192.17x = 894,398.25 × 361,711.58
  4. Step 4: Simplify right side
    648,192.17x = 323,514,201,041.16
  5. Step 5: Solve for x
    x = 323,514,201,041.16/648,192.17
  6. Step 6: Final answer
    x = 499,102.30

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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.