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Finding the Fourth Proportional to 429,556.17, 592,752.81 and 248,279.83

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Solution

The fourth proportional to 429,556.17, 592,752.81 and 248,279.83 is: 342,606.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,556.17 : 592,752.81 = 248,279.83 : x
  2. Step 2: Convert to fraction form
    429,556.17/592,752.81 = 248,279.83/x
  3. Step 3: Cross multiply
    429,556.17x = 592,752.81 × 248,279.83
  4. Step 4: Simplify right side
    429,556.17x = 147,168,566,898.82
  5. Step 5: Solve for x
    x = 147,168,566,898.82/429,556.17
  6. Step 6: Final answer
    x = 342,606.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.