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Finding the Fourth Proportional to 560,760.30, 841,140.45 and 324,564.30

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Solution

The fourth proportional to 560,760.30, 841,140.45 and 324,564.30 is: 486,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,760.30 : 841,140.45 = 324,564.30 : x
  2. Step 2: Convert to fraction form
    560,760.30/841,140.45 = 324,564.30/x
  3. Step 3: Cross multiply
    560,760.30x = 841,140.45 × 324,564.30
  4. Step 4: Simplify right side
    560,760.30x = 273,004,161,355.94
  5. Step 5: Solve for x
    x = 273,004,161,355.94/560,760.30
  6. Step 6: Final answer
    x = 486,846.45

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Double scale
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Similar ratio
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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.