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Finding the Fourth Proportional to 637,703.52, 956,712.48 and 188,422.08

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Solution

The fourth proportional to 637,703.52, 956,712.48 and 188,422.08 is: 282,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,703.52 : 956,712.48 = 188,422.08 : x
  2. Step 2: Convert to fraction form
    637,703.52/956,712.48 = 188,422.08/x
  3. Step 3: Cross multiply
    637,703.52x = 956,712.48 × 188,422.08
  4. Step 4: Simplify right side
    637,703.52x = 180,265,755,443.56
  5. Step 5: Solve for x
    x = 180,265,755,443.56/637,703.52
  6. Step 6: Final answer
    x = 282,679.57

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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.