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Finding the Fourth Proportional to 549,342.16, 757,700.24 and 504,165.76

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Solution

The fourth proportional to 549,342.16, 757,700.24 and 504,165.76 is: 695,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,342.16 : 757,700.24 = 504,165.76 : x
  2. Step 2: Convert to fraction form
    549,342.16/757,700.24 = 504,165.76/x
  3. Step 3: Cross multiply
    549,342.16x = 757,700.24 × 504,165.76
  4. Step 4: Simplify right side
    549,342.16x = 382,006,517,351.78
  5. Step 5: Solve for x
    x = 382,006,517,351.78/549,342.16
  6. Step 6: Final answer
    x = 695,389.04

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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.