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Finding the Fourth Proportional to 520,575.59, 718,248.66 and 327,004.22

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Solution

The fourth proportional to 520,575.59, 718,248.66 and 327,004.22 is: 451,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,575.59 : 718,248.66 = 327,004.22 : x
  2. Step 2: Convert to fraction form
    520,575.59/718,248.66 = 327,004.22/x
  3. Step 3: Cross multiply
    520,575.59x = 718,248.66 × 327,004.22
  4. Step 4: Simplify right side
    520,575.59x = 234,870,342,829.35
  5. Step 5: Solve for x
    x = 234,870,342,829.35/520,575.59
  6. Step 6: Final answer
    x = 451,174.33

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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.