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Finding the Fourth Proportional to 498,277.10, 696,013.30 and 498,277.10

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Solution

The fourth proportional to 498,277.10, 696,013.30 and 498,277.10 is: 696,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,277.10 : 696,013.30 = 498,277.10 : x
  2. Step 2: Convert to fraction form
    498,277.10/696,013.30 = 498,277.10/x
  3. Step 3: Cross multiply
    498,277.10x = 696,013.30 × 498,277.10
  4. Step 4: Simplify right side
    498,277.10x = 346,807,488,685.43
  5. Step 5: Solve for x
    x = 346,807,488,685.43/498,277.10
  6. Step 6: Final answer
    x = 696,013.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.