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Finding the Fourth Proportional to 329,590.01, 493,031.51 and 263,159.89

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Solution

The fourth proportional to 329,590.01, 493,031.51 and 263,159.89 is: 393,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,590.01 : 493,031.51 = 263,159.89 : x
  2. Step 2: Convert to fraction form
    329,590.01/493,031.51 = 263,159.89/x
  3. Step 3: Cross multiply
    329,590.01x = 493,031.51 × 263,159.89
  4. Step 4: Simplify right side
    329,590.01x = 129,746,116,376.61
  5. Step 5: Solve for x
    x = 129,746,116,376.61/329,590.01
  6. Step 6: Final answer
    x = 393,659.13

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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.