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Finding the Fourth Proportional to 359,653.75, 496,322.18 and 200,677.75

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Solution

The fourth proportional to 359,653.75, 496,322.18 and 200,677.75 is: 276,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,653.75 : 496,322.18 = 200,677.75 : x
  2. Step 2: Convert to fraction form
    359,653.75/496,322.18 = 200,677.75/x
  3. Step 3: Cross multiply
    359,653.75x = 496,322.18 × 200,677.75
  4. Step 4: Simplify right side
    359,653.75x = 99,600,817,354.11
  5. Step 5: Solve for x
    x = 99,600,817,354.11/359,653.75
  6. Step 6: Final answer
    x = 276,935.30

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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.