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Finding the Fourth Proportional to 571,776.62, 788,919.29 and 342,246.67

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Solution

The fourth proportional to 571,776.62, 788,919.29 and 342,246.67 is: 472,221.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,776.62 : 788,919.29 = 342,246.67 : x
  2. Step 2: Convert to fraction form
    571,776.62/788,919.29 = 342,246.67/x
  3. Step 3: Cross multiply
    571,776.62x = 788,919.29 × 342,246.67
  4. Step 4: Simplify right side
    571,776.62x = 270,004,999,426.30
  5. Step 5: Solve for x
    x = 270,004,999,426.30/571,776.62
  6. Step 6: Final answer
    x = 472,221.13

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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.