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Finding the Fourth Proportional to 566,876.40, 782,259.90 and 352,011.86

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Solution

The fourth proportional to 566,876.40, 782,259.90 and 352,011.86 is: 485,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,876.40 : 782,259.90 = 352,011.86 : x
  2. Step 2: Convert to fraction form
    566,876.40/782,259.90 = 352,011.86/x
  3. Step 3: Cross multiply
    566,876.40x = 782,259.90 × 352,011.86
  4. Step 4: Simplify right side
    566,876.40x = 275,364,758,491.12
  5. Step 5: Solve for x
    x = 275,364,758,491.12/566,876.40
  6. Step 6: Final answer
    x = 485,758.02

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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.