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Finding the Fourth Proportional to 571,189.32, 855,849.24 and 346,618.80

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Solution

The fourth proportional to 571,189.32, 855,849.24 and 346,618.80 is: 519,360.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,189.32 : 855,849.24 = 346,618.80 : x
  2. Step 2: Convert to fraction form
    571,189.32/855,849.24 = 346,618.80/x
  3. Step 3: Cross multiply
    571,189.32x = 855,849.24 × 346,618.80
  4. Step 4: Simplify right side
    571,189.32x = 296,653,436,549.71
  5. Step 5: Solve for x
    x = 296,653,436,549.71/571,189.32
  6. Step 6: Final answer
    x = 519,360.97

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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.