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Finding the Fourth Proportional to 440,248.37, 660,217.01 and 209,410.17

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Solution

The fourth proportional to 440,248.37, 660,217.01 and 209,410.17 is: 314,041.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,248.37 : 660,217.01 = 209,410.17 : x
  2. Step 2: Convert to fraction form
    440,248.37/660,217.01 = 209,410.17/x
  3. Step 3: Cross multiply
    440,248.37x = 660,217.01 × 209,410.17
  4. Step 4: Simplify right side
    440,248.37x = 138,256,155,253.94
  5. Step 5: Solve for x
    x = 138,256,155,253.94/440,248.37
  6. Step 6: Final answer
    x = 314,041.27

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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.