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Finding the Fourth Proportional to 370,575.02, 555,752.26 and 157,339.78

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Solution

The fourth proportional to 370,575.02, 555,752.26 and 157,339.78 is: 235,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,575.02 : 555,752.26 = 157,339.78 : x
  2. Step 2: Convert to fraction form
    370,575.02/555,752.26 = 157,339.78/x
  3. Step 3: Cross multiply
    370,575.02x = 555,752.26 × 157,339.78
  4. Step 4: Simplify right side
    370,575.02x = 87,441,938,322.90
  5. Step 5: Solve for x
    x = 87,441,938,322.90/370,575.02
  6. Step 6: Final answer
    x = 235,962.85

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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.