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Finding the Fourth Proportional to 353,681.17, 530,604.77 and 117,023.83

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Solution

The fourth proportional to 353,681.17, 530,604.77 and 117,023.83 is: 175,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,681.17 : 530,604.77 = 117,023.83 : x
  2. Step 2: Convert to fraction form
    353,681.17/530,604.77 = 117,023.83/x
  3. Step 3: Cross multiply
    353,681.17x = 530,604.77 × 117,023.83
  4. Step 4: Simplify right side
    353,681.17x = 62,093,400,490.04
  5. Step 5: Solve for x
    x = 62,093,400,490.04/353,681.17
  6. Step 6: Final answer
    x = 175,563.21

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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.