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Finding the Fourth Proportional to 656,402.20, 984,515.81 and 183,047.92

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Solution

The fourth proportional to 656,402.20, 984,515.81 and 183,047.92 is: 274,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,402.20 : 984,515.81 = 183,047.92 : x
  2. Step 2: Convert to fraction form
    656,402.20/984,515.81 = 183,047.92/x
  3. Step 3: Cross multiply
    656,402.20x = 984,515.81 × 183,047.92
  4. Step 4: Simplify right side
    656,402.20x = 180,213,567,851.09
  5. Step 5: Solve for x
    x = 180,213,567,851.09/656,402.20
  6. Step 6: Final answer
    x = 274,547.48

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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.