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Finding the Fourth Proportional to 359,092.37, 538,767.17 and 153,840.90

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Solution

The fourth proportional to 359,092.37, 538,767.17 and 153,840.90 is: 230,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,092.37 : 538,767.17 = 153,840.90 : x
  2. Step 2: Convert to fraction form
    359,092.37/538,767.17 = 153,840.90/x
  3. Step 3: Cross multiply
    359,092.37x = 538,767.17 × 153,840.90
  4. Step 4: Simplify right side
    359,092.37x = 82,884,426,707.86
  5. Step 5: Solve for x
    x = 82,884,426,707.86/359,092.37
  6. Step 6: Final answer
    x = 230,816.45

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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.