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Finding the Fourth Proportional to 383,437.60, 575,219.76 and 173,070.88

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Solution

The fourth proportional to 383,437.60, 575,219.76 and 173,070.88 is: 259,634.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,437.60 : 575,219.76 = 173,070.88 : x
  2. Step 2: Convert to fraction form
    383,437.60/575,219.76 = 173,070.88/x
  3. Step 3: Cross multiply
    383,437.60x = 575,219.76 × 173,070.88
  4. Step 4: Simplify right side
    383,437.60x = 99,553,790,056.59
  5. Step 5: Solve for x
    x = 99,553,790,056.59/383,437.60
  6. Step 6: Final answer
    x = 259,634.92

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1.5x scale

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.