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Finding the Fourth Proportional to 484,730.60, 727,095.90 and 335,431.40

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Solution

The fourth proportional to 484,730.60, 727,095.90 and 335,431.40 is: 503,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,730.60 : 727,095.90 = 335,431.40 : x
  2. Step 2: Convert to fraction form
    484,730.60/727,095.90 = 335,431.40/x
  3. Step 3: Cross multiply
    484,730.60x = 727,095.90 × 335,431.40
  4. Step 4: Simplify right side
    484,730.60x = 243,890,795,671.26
  5. Step 5: Solve for x
    x = 243,890,795,671.26/484,730.60
  6. Step 6: Final answer
    x = 503,147.10

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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.