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Finding the Fourth Proportional to 581,347.33, 871,209.07 and 281,748.38

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Solution

The fourth proportional to 581,347.33, 871,209.07 and 281,748.38 is: 422,229.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,347.33 : 871,209.07 = 281,748.38 : x
  2. Step 2: Convert to fraction form
    581,347.33/871,209.07 = 281,748.38/x
  3. Step 3: Cross multiply
    581,347.33x = 871,209.07 × 281,748.38
  4. Step 4: Simplify right side
    581,347.33x = 245,461,739,053.39
  5. Step 5: Solve for x
    x = 245,461,739,053.39/581,347.33
  6. Step 6: Final answer
    x = 422,229.07

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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.