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Finding the Fourth Proportional to 571,882.60, 857,530.98 and 302,155.54

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Solution

The fourth proportional to 571,882.60, 857,530.98 and 302,155.54 is: 453,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,882.60 : 857,530.98 = 302,155.54 : x
  2. Step 2: Convert to fraction form
    571,882.60/857,530.98 = 302,155.54/x
  3. Step 3: Cross multiply
    571,882.60x = 857,530.98 × 302,155.54
  4. Step 4: Simplify right side
    571,882.60x = 259,107,736,328.63
  5. Step 5: Solve for x
    x = 259,107,736,328.63/571,882.60
  6. Step 6: Final answer
    x = 453,078.55

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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.