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Finding the Fourth Proportional to 541,618.56, 747,457.08 and 299,901.12

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Solution

The fourth proportional to 541,618.56, 747,457.08 and 299,901.12 is: 413,876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,618.56 : 747,457.08 = 299,901.12 : x
  2. Step 2: Convert to fraction form
    541,618.56/747,457.08 = 299,901.12/x
  3. Step 3: Cross multiply
    541,618.56x = 747,457.08 × 299,901.12
  4. Step 4: Simplify right side
    541,618.56x = 224,163,215,443.93
  5. Step 5: Solve for x
    x = 224,163,215,443.93/541,618.56
  6. Step 6: Final answer
    x = 413,876.54

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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.