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Finding the Fourth Proportional to 397,337.80, 596,006.70 and 172,951.60

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Solution

The fourth proportional to 397,337.80, 596,006.70 and 172,951.60 is: 259,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,337.80 : 596,006.70 = 172,951.60 : x
  2. Step 2: Convert to fraction form
    397,337.80/596,006.70 = 172,951.60/x
  3. Step 3: Cross multiply
    397,337.80x = 596,006.70 × 172,951.60
  4. Step 4: Simplify right side
    397,337.80x = 103,080,312,375.72
  5. Step 5: Solve for x
    x = 103,080,312,375.72/397,337.80
  6. Step 6: Final answer
    x = 259,427.40

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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.