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Finding the Fourth Proportional to 359,700.33, 496,268.56 and 256,350.81

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Solution

The fourth proportional to 359,700.33, 496,268.56 and 256,350.81 is: 353,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,700.33 : 496,268.56 = 256,350.81 : x
  2. Step 2: Convert to fraction form
    359,700.33/496,268.56 = 256,350.81/x
  3. Step 3: Cross multiply
    359,700.33x = 496,268.56 × 256,350.81
  4. Step 4: Simplify right side
    359,700.33x = 127,218,847,333.53
  5. Step 5: Solve for x
    x = 127,218,847,333.53/359,700.33
  6. Step 6: Final answer
    x = 353,680.10

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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.