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Finding the Fourth Proportional to 291,248.20, 436,526.70 and 150,934.60

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Solution

The fourth proportional to 291,248.20, 436,526.70 and 150,934.60 is: 226,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,248.20 : 436,526.70 = 150,934.60 : x
  2. Step 2: Convert to fraction form
    291,248.20/436,526.70 = 150,934.60/x
  3. Step 3: Cross multiply
    291,248.20x = 436,526.70 × 150,934.60
  4. Step 4: Simplify right side
    291,248.20x = 65,886,982,853.82
  5. Step 5: Solve for x
    x = 65,886,982,853.82/291,248.20
  6. Step 6: Final answer
    x = 226,222.80

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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.