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Finding the Fourth Proportional to 436,069.70, 654,126.15 and 226,117.70

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Solution

The fourth proportional to 436,069.70, 654,126.15 and 226,117.70 is: 339,187.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,069.70 : 654,126.15 = 226,117.70 : x
  2. Step 2: Convert to fraction form
    436,069.70/654,126.15 = 226,117.70/x
  3. Step 3: Cross multiply
    436,069.70x = 654,126.15 × 226,117.70
  4. Step 4: Simplify right side
    436,069.70x = 147,909,500,547.86
  5. Step 5: Solve for x
    x = 147,909,500,547.86/436,069.70
  6. Step 6: Final answer
    x = 339,187.75

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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.