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Finding the Fourth Proportional to 484,657.60, 726,986.40 and 335,358.40

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Solution

The fourth proportional to 484,657.60, 726,986.40 and 335,358.40 is: 503,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,657.60 : 726,986.40 = 335,358.40 : x
  2. Step 2: Convert to fraction form
    484,657.60/726,986.40 = 335,358.40/x
  3. Step 3: Cross multiply
    484,657.60x = 726,986.40 × 335,358.40
  4. Step 4: Simplify right side
    484,657.60x = 243,800,995,925.76
  5. Step 5: Solve for x
    x = 243,800,995,925.76/484,657.60
  6. Step 6: Final answer
    x = 503,037.60

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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.