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Finding the Fourth Proportional to 348,334.20, 522,588.78 and 99,016.20

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Solution

The fourth proportional to 348,334.20, 522,588.78 and 99,016.20 is: 148,549.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,334.20 : 522,588.78 = 99,016.20 : x
  2. Step 2: Convert to fraction form
    348,334.20/522,588.78 = 99,016.20/x
  3. Step 3: Cross multiply
    348,334.20x = 522,588.78 × 99,016.20
  4. Step 4: Simplify right side
    348,334.20x = 51,744,755,158.24
  5. Step 5: Solve for x
    x = 51,744,755,158.24/348,334.20
  6. Step 6: Final answer
    x = 148,549.17

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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.