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Finding the Fourth Proportional to 359,392.65, 496,121.27 and 232,130.31

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Solution

The fourth proportional to 359,392.65, 496,121.27 and 232,130.31 is: 320,442.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,392.65 : 496,121.27 = 232,130.31 : x
  2. Step 2: Convert to fraction form
    359,392.65/496,121.27 = 232,130.31/x
  3. Step 3: Cross multiply
    359,392.65x = 496,121.27 × 232,130.31
  4. Step 4: Simplify right side
    359,392.65x = 115,164,783,042.04
  5. Step 5: Solve for x
    x = 115,164,783,042.04/359,392.65
  6. Step 6: Final answer
    x = 320,442.79

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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.