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Finding the Fourth Proportional to 560,718.60, 841,272.30 and 245,401.80

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Solution

The fourth proportional to 560,718.60, 841,272.30 and 245,401.80 is: 368,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,718.60 : 841,272.30 = 245,401.80 : x
  2. Step 2: Convert to fraction form
    560,718.60/841,272.30 = 245,401.80/x
  3. Step 3: Cross multiply
    560,718.60x = 841,272.30 × 245,401.80
  4. Step 4: Simplify right side
    560,718.60x = 206,449,736,710.14
  5. Step 5: Solve for x
    x = 206,449,736,710.14/560,718.60
  6. Step 6: Final answer
    x = 368,187.78

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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.