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Finding the Fourth Proportional to 359,435.50, 496,020.99 and 200,459.50

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Solution

The fourth proportional to 359,435.50, 496,020.99 and 200,459.50 is: 276,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,435.50 : 496,020.99 = 200,459.50 : x
  2. Step 2: Convert to fraction form
    359,435.50/496,020.99 = 200,459.50/x
  3. Step 3: Cross multiply
    359,435.50x = 496,020.99 × 200,459.50
  4. Step 4: Simplify right side
    359,435.50x = 99,432,119,644.91
  5. Step 5: Solve for x
    x = 99,432,119,644.91/359,435.50
  6. Step 6: Final answer
    x = 276,634.11

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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.