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Finding the Fourth Proportional to 561,712.28, 841,823.22 and 245,825.24

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Solution

The fourth proportional to 561,712.28, 841,823.22 and 245,825.24 is: 368,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,712.28 : 841,823.22 = 245,825.24 : x
  2. Step 2: Convert to fraction form
    561,712.28/841,823.22 = 245,825.24/x
  3. Step 3: Cross multiply
    561,712.28x = 841,823.22 × 245,825.24
  4. Step 4: Simplify right side
    561,712.28x = 206,941,395,094.07
  5. Step 5: Solve for x
    x = 206,941,395,094.07/561,712.28
  6. Step 6: Final answer
    x = 368,411.73

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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.