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Finding the Fourth Proportional to 534,048.10, 801,070.12 and 218,504.90

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Solution

The fourth proportional to 534,048.10, 801,070.12 and 218,504.90 is: 327,756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,048.10 : 801,070.12 = 218,504.90 : x
  2. Step 2: Convert to fraction form
    534,048.10/801,070.12 = 218,504.90/x
  3. Step 3: Cross multiply
    534,048.10x = 801,070.12 × 218,504.90
  4. Step 4: Simplify right side
    534,048.10x = 175,037,745,371.06
  5. Step 5: Solve for x
    x = 175,037,745,371.06/534,048.10
  6. Step 6: Final answer
    x = 327,756.52

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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.