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Finding the Fourth Proportional to 435,822.75, 601,468.20 and 266,089.68

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Solution

The fourth proportional to 435,822.75, 601,468.20 and 266,089.68 is: 367,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,822.75 : 601,468.20 = 266,089.68 : x
  2. Step 2: Convert to fraction form
    435,822.75/601,468.20 = 266,089.68/x
  3. Step 3: Cross multiply
    435,822.75x = 601,468.20 × 266,089.68
  4. Step 4: Simplify right side
    435,822.75x = 160,044,480,868.18
  5. Step 5: Solve for x
    x = 160,044,480,868.18/435,822.75
  6. Step 6: Final answer
    x = 367,223.79

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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.