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Finding the Fourth Proportional to 352,879.83, 529,264.16 and 293,290.91

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Solution

The fourth proportional to 352,879.83, 529,264.16 and 293,290.91 is: 439,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,879.83 : 529,264.16 = 293,290.91 : x
  2. Step 2: Convert to fraction form
    352,879.83/529,264.16 = 293,290.91/x
  3. Step 3: Cross multiply
    352,879.83x = 529,264.16 × 293,290.91
  4. Step 4: Simplify right side
    352,879.83x = 155,228,367,116.79
  5. Step 5: Solve for x
    x = 155,228,367,116.79/352,879.83
  6. Step 6: Final answer
    x = 439,890.17

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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.