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Finding the Fourth Proportional to 348,603.52, 522,996 and 99,304.96

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Solution

The fourth proportional to 348,603.52, 522,996 and 99,304.96 is: 148,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,603.52 : 522,996 = 99,304.96 : x
  2. Step 2: Convert to fraction form
    348,603.52/522,996 = 99,304.96/x
  3. Step 3: Cross multiply
    348,603.52x = 522,996 × 99,304.96
  4. Step 4: Simplify right side
    348,603.52x = 51,936,096,860.16
  5. Step 5: Solve for x
    x = 51,936,096,860.16/348,603.52
  6. Step 6: Final answer
    x = 148,983.28

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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.