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Finding the Fourth Proportional to 662,528.67, 993,078.59 and 325,176.63

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Solution

The fourth proportional to 662,528.67, 993,078.59 and 325,176.63 is: 487,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,528.67 : 993,078.59 = 325,176.63 : x
  2. Step 2: Convert to fraction form
    662,528.67/993,078.59 = 325,176.63/x
  3. Step 3: Cross multiply
    662,528.67x = 993,078.59 × 325,176.63
  4. Step 4: Simplify right side
    662,528.67x = 322,925,947,595.47
  5. Step 5: Solve for x
    x = 322,925,947,595.47/662,528.67
  6. Step 6: Final answer
    x = 487,414.30

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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.