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Finding the Fourth Proportional to 346,098.75, 477,616.28 and 187,122.75

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Solution

The fourth proportional to 346,098.75, 477,616.28 and 187,122.75 is: 258,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,098.75 : 477,616.28 = 187,122.75 : x
  2. Step 2: Convert to fraction form
    346,098.75/477,616.28 = 187,122.75/x
  3. Step 3: Cross multiply
    346,098.75x = 477,616.28 × 187,122.75
  4. Step 4: Simplify right side
    346,098.75x = 89,372,871,758.37
  5. Step 5: Solve for x
    x = 89,372,871,758.37/346,098.75
  6. Step 6: Final answer
    x = 258,229.40

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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.