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Finding the Fourth Proportional to 566,067.35, 781,178.03 and 307,949.93

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Solution

The fourth proportional to 566,067.35, 781,178.03 and 307,949.93 is: 424,973.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,067.35 : 781,178.03 = 307,949.93 : x
  2. Step 2: Convert to fraction form
    566,067.35/781,178.03 = 307,949.93/x
  3. Step 3: Cross multiply
    566,067.35x = 781,178.03 × 307,949.93
  4. Step 4: Simplify right side
    566,067.35x = 240,563,720,069.23
  5. Step 5: Solve for x
    x = 240,563,720,069.23/566,067.35
  6. Step 6: Final answer
    x = 424,973.67

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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.