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Finding the Fourth Proportional to 541,420.42, 747,151.08 and 299,697.82

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Solution

The fourth proportional to 541,420.42, 747,151.08 and 299,697.82 is: 413,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,420.42 : 747,151.08 = 299,697.82 : x
  2. Step 2: Convert to fraction form
    541,420.42/747,151.08 = 299,697.82/x
  3. Step 3: Cross multiply
    541,420.42x = 747,151.08 × 299,697.82
  4. Step 4: Simplify right side
    541,420.42x = 223,919,549,886.65
  5. Step 5: Solve for x
    x = 223,919,549,886.65/541,420.42
  6. Step 6: Final answer
    x = 413,577.95

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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.