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Finding the Fourth Proportional to 440,189.33, 660,533.88 and 187,443.46

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Solution

The fourth proportional to 440,189.33, 660,533.88 and 187,443.46 is: 281,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,189.33 : 660,533.88 = 187,443.46 : x
  2. Step 2: Convert to fraction form
    440,189.33/660,533.88 = 187,443.46/x
  3. Step 3: Cross multiply
    440,189.33x = 660,533.88 × 187,443.46
  4. Step 4: Simplify right side
    440,189.33x = 123,812,756,388.64
  5. Step 5: Solve for x
    x = 123,812,756,388.64/440,189.33
  6. Step 6: Final answer
    x = 281,271.60

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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.