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Finding the Fourth Proportional to 359,926.20, 496,702.10 and 207,040.32

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Solution

The fourth proportional to 359,926.20, 496,702.10 and 207,040.32 is: 285,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,926.20 : 496,702.10 = 207,040.32 : x
  2. Step 2: Convert to fraction form
    359,926.20/496,702.10 = 207,040.32/x
  3. Step 3: Cross multiply
    359,926.20x = 496,702.10 × 207,040.32
  4. Step 4: Simplify right side
    359,926.20x = 102,837,361,728.67
  5. Step 5: Solve for x
    x = 102,837,361,728.67/359,926.20
  6. Step 6: Final answer
    x = 285,717.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.