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Finding the Fourth Proportional to 803,624.76, 1,205,830.50 and 323,832.60

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Solution

The fourth proportional to 803,624.76, 1,205,830.50 and 323,832.60 is: 485,907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,624.76 : 1,205,830.50 = 323,832.60 : x
  2. Step 2: Convert to fraction form
    803,624.76/1,205,830.50 = 323,832.60/x
  3. Step 3: Cross multiply
    803,624.76x = 1,205,830.50 × 323,832.60
  4. Step 4: Simplify right side
    803,624.76x = 390,487,225,974.30
  5. Step 5: Solve for x
    x = 390,487,225,974.30/803,624.76
  6. Step 6: Final answer
    x = 485,907.41

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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.