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Finding the Fourth Proportional to 433,600.20, 650,400.30 and 153,145.80

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Solution

The fourth proportional to 433,600.20, 650,400.30 and 153,145.80 is: 229,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,600.20 : 650,400.30 = 153,145.80 : x
  2. Step 2: Convert to fraction form
    433,600.20/650,400.30 = 153,145.80/x
  3. Step 3: Cross multiply
    433,600.20x = 650,400.30 × 153,145.80
  4. Step 4: Simplify right side
    433,600.20x = 99,606,074,263.74
  5. Step 5: Solve for x
    x = 99,606,074,263.74/433,600.20
  6. Step 6: Final answer
    x = 229,718.70

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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.