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Finding the Fourth Proportional to 498,281.60, 696,019.60 and 498,281.60

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Solution

The fourth proportional to 498,281.60, 696,019.60 and 498,281.60 is: 696,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,281.60 : 696,019.60 = 498,281.60 : x
  2. Step 2: Convert to fraction form
    498,281.60/696,019.60 = 498,281.60/x
  3. Step 3: Cross multiply
    498,281.60x = 696,019.60 × 498,281.60
  4. Step 4: Simplify right side
    498,281.60x = 346,813,759,919.36
  5. Step 5: Solve for x
    x = 346,813,759,919.36/498,281.60
  6. Step 6: Final answer
    x = 696,019.60

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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.