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Finding the Fourth Proportional to 348,507.48, 522,753.53 and 143,298.89

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Solution

The fourth proportional to 348,507.48, 522,753.53 and 143,298.89 is: 214,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,507.48 : 522,753.53 = 143,298.89 : x
  2. Step 2: Convert to fraction form
    348,507.48/522,753.53 = 143,298.89/x
  3. Step 3: Cross multiply
    348,507.48x = 522,753.53 × 143,298.89
  4. Step 4: Simplify right side
    348,507.48x = 74,910,000,028.70
  5. Step 5: Solve for x
    x = 74,910,000,028.70/348,507.48
  6. Step 6: Final answer
    x = 214,945.17

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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.