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Finding the Fourth Proportional to 359,419.15, 496,157.85 and 232,156.81

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Solution

The fourth proportional to 359,419.15, 496,157.85 and 232,156.81 is: 320,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,419.15 : 496,157.85 = 232,156.81 : x
  2. Step 2: Convert to fraction form
    359,419.15/496,157.85 = 232,156.81/x
  3. Step 3: Cross multiply
    359,419.15x = 496,157.85 × 232,156.81
  4. Step 4: Simplify right side
    359,419.15x = 115,186,423,712.46
  5. Step 5: Solve for x
    x = 115,186,423,712.46/359,419.15
  6. Step 6: Final answer
    x = 320,479.37

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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.