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Finding the Fourth Proportional to 617,652.17, 926,638.01 and 361,700.93

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Solution

The fourth proportional to 617,652.17, 926,638.01 and 361,700.93 is: 542,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,652.17 : 926,638.01 = 361,700.93 : x
  2. Step 2: Convert to fraction form
    617,652.17/926,638.01 = 361,700.93/x
  3. Step 3: Cross multiply
    617,652.17x = 926,638.01 × 361,700.93
  4. Step 4: Simplify right side
    617,652.17x = 335,165,823,548.66
  5. Step 5: Solve for x
    x = 335,165,823,548.66/617,652.17
  6. Step 6: Final answer
    x = 542,644.94

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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.