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Finding the Fourth Proportional to 576,565.53, 864,848.28 and 171,763.87

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Solution

The fourth proportional to 576,565.53, 864,848.28 and 171,763.87 is: 257,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,565.53 : 864,848.28 = 171,763.87 : x
  2. Step 2: Convert to fraction form
    576,565.53/864,848.28 = 171,763.87/x
  3. Step 3: Cross multiply
    576,565.53x = 864,848.28 × 171,763.87
  4. Step 4: Simplify right side
    576,565.53x = 148,549,683,999.13
  5. Step 5: Solve for x
    x = 148,549,683,999.13/576,565.53
  6. Step 6: Final answer
    x = 257,645.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.