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Finding the Fourth Proportional to 571,870.24, 788,664.24 and 357,029.92

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Solution

The fourth proportional to 571,870.24, 788,664.24 and 357,029.92 is: 492,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,870.24 : 788,664.24 = 357,029.92 : x
  2. Step 2: Convert to fraction form
    571,870.24/788,664.24 = 357,029.92/x
  3. Step 3: Cross multiply
    571,870.24x = 788,664.24 × 357,029.92
  4. Step 4: Simplify right side
    571,870.24x = 281,576,730,514.06
  5. Step 5: Solve for x
    x = 281,576,730,514.06/571,870.24
  6. Step 6: Final answer
    x = 492,378.71

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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.