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Finding the Fourth Proportional to 440,330.59, 660,287.71 and 170,585.07

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Solution

The fourth proportional to 440,330.59, 660,287.71 and 170,585.07 is: 255,796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,330.59 : 660,287.71 = 170,585.07 : x
  2. Step 2: Convert to fraction form
    440,330.59/660,287.71 = 170,585.07/x
  3. Step 3: Cross multiply
    440,330.59x = 660,287.71 × 170,585.07
  4. Step 4: Simplify right side
    440,330.59x = 112,635,225,230.49
  5. Step 5: Solve for x
    x = 112,635,225,230.49/440,330.59
  6. Step 6: Final answer
    x = 255,796.96

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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.