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Finding the Fourth Proportional to 478,298.48, 717,548.93 and 158,432.25

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Solution

The fourth proportional to 478,298.48, 717,548.93 and 158,432.25 is: 237,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,298.48 : 717,548.93 = 158,432.25 : x
  2. Step 2: Convert to fraction form
    478,298.48/717,548.93 = 158,432.25/x
  3. Step 3: Cross multiply
    478,298.48x = 717,548.93 × 158,432.25
  4. Step 4: Simplify right side
    478,298.48x = 113,682,890,672.83
  5. Step 5: Solve for x
    x = 113,682,890,672.83/478,298.48
  6. Step 6: Final answer
    x = 237,681.90

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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.