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Finding the Fourth Proportional to 450,125.40, 675,223.74 and 150,607.56

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Solution

The fourth proportional to 450,125.40, 675,223.74 and 150,607.56 is: 225,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,125.40 : 675,223.74 = 150,607.56 : x
  2. Step 2: Convert to fraction form
    450,125.40/675,223.74 = 150,607.56/x
  3. Step 3: Cross multiply
    450,125.40x = 675,223.74 × 150,607.56
  4. Step 4: Simplify right side
    450,125.40x = 101,693,799,935.47
  5. Step 5: Solve for x
    x = 101,693,799,935.47/450,125.40
  6. Step 6: Final answer
    x = 225,923.26

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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.