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Finding the Fourth Proportional to 541,362.80, 747,057.10 and 299,630.92

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Solution

The fourth proportional to 541,362.80, 747,057.10 and 299,630.92 is: 413,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,362.80 : 747,057.10 = 299,630.92 : x
  2. Step 2: Convert to fraction form
    541,362.80/747,057.10 = 299,630.92/x
  3. Step 3: Cross multiply
    541,362.80x = 747,057.10 × 299,630.92
  4. Step 4: Simplify right side
    541,362.80x = 223,841,406,165.53
  5. Step 5: Solve for x
    x = 223,841,406,165.53/541,362.80
  6. Step 6: Final answer
    x = 413,477.63

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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.