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Finding the Fourth Proportional to 648,093.34, 894,387.18 and 361,607.28

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Solution

The fourth proportional to 648,093.34, 894,387.18 and 361,607.28 is: 499,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,093.34 : 894,387.18 = 361,607.28 : x
  2. Step 2: Convert to fraction form
    648,093.34/894,387.18 = 361,607.28/x
  3. Step 3: Cross multiply
    648,093.34x = 894,387.18 × 361,607.28
  4. Step 4: Simplify right side
    648,093.34x = 323,416,915,426.67
  5. Step 5: Solve for x
    x = 323,416,915,426.67/648,093.34
  6. Step 6: Final answer
    x = 499,028.30

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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.