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Finding the Fourth Proportional to 360,575.28, 540,892.08 and 123,918.12

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Solution

The fourth proportional to 360,575.28, 540,892.08 and 123,918.12 is: 185,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,575.28 : 540,892.08 = 123,918.12 : x
  2. Step 2: Convert to fraction form
    360,575.28/540,892.08 = 123,918.12/x
  3. Step 3: Cross multiply
    360,575.28x = 540,892.08 × 123,918.12
  4. Step 4: Simplify right side
    360,575.28x = 67,026,329,676.49
  5. Step 5: Solve for x
    x = 67,026,329,676.49/360,575.28
  6. Step 6: Final answer
    x = 185,887.20

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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.