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Finding the Fourth Proportional to 882,600.80, 1,323,253.20 and 349,858.40

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Solution

The fourth proportional to 882,600.80, 1,323,253.20 and 349,858.40 is: 524,530.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,600.80 : 1,323,253.20 = 349,858.40 : x
  2. Step 2: Convert to fraction form
    882,600.80/1,323,253.20 = 349,858.40/x
  3. Step 3: Cross multiply
    882,600.80x = 1,323,253.20 × 349,858.40
  4. Step 4: Simplify right side
    882,600.80x = 462,951,247,346.88
  5. Step 5: Solve for x
    x = 462,951,247,346.88/882,600.80
  6. Step 6: Final answer
    x = 524,530.74

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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.