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Finding the Fourth Proportional to 440,217.68, 660,588.84 and 159,756.80

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Solution

The fourth proportional to 440,217.68, 660,588.84 and 159,756.80 is: 239,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,217.68 : 660,588.84 = 159,756.80 : x
  2. Step 2: Convert to fraction form
    440,217.68/660,588.84 = 159,756.80/x
  3. Step 3: Cross multiply
    440,217.68x = 660,588.84 × 159,756.80
  4. Step 4: Simplify right side
    440,217.68x = 105,533,559,194.11
  5. Step 5: Solve for x
    x = 105,533,559,194.11/440,217.68
  6. Step 6: Final answer
    x = 239,730.40

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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.