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Finding the Fourth Proportional to 882,879.60, 1,323,397.80 and 482,905.20

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Solution

The fourth proportional to 882,879.60, 1,323,397.80 and 482,905.20 is: 723,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,879.60 : 1,323,397.80 = 482,905.20 : x
  2. Step 2: Convert to fraction form
    882,879.60/1,323,397.80 = 482,905.20/x
  3. Step 3: Cross multiply
    882,879.60x = 1,323,397.80 × 482,905.20
  4. Step 4: Simplify right side
    882,879.60x = 639,075,679,288.56
  5. Step 5: Solve for x
    x = 639,075,679,288.56/882,879.60
  6. Step 6: Final answer
    x = 723,853.72

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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.