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Finding the Fourth Proportional to 349,666.80, 524,500.20 and 113,179.20

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Solution

The fourth proportional to 349,666.80, 524,500.20 and 113,179.20 is: 169,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,666.80 : 524,500.20 = 113,179.20 : x
  2. Step 2: Convert to fraction form
    349,666.80/524,500.20 = 113,179.20/x
  3. Step 3: Cross multiply
    349,666.80x = 524,500.20 × 113,179.20
  4. Step 4: Simplify right side
    349,666.80x = 59,362,513,035.84
  5. Step 5: Solve for x
    x = 59,362,513,035.84/349,666.80
  6. Step 6: Final answer
    x = 169,768.80

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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.