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Finding the Fourth Proportional to 416,098.60, 623,273.10 and 346,114.60

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Solution

The fourth proportional to 416,098.60, 623,273.10 and 346,114.60 is: 518,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,098.60 : 623,273.10 = 346,114.60 : x
  2. Step 2: Convert to fraction form
    416,098.60/623,273.10 = 346,114.60/x
  3. Step 3: Cross multiply
    416,098.60x = 623,273.10 × 346,114.60
  4. Step 4: Simplify right side
    416,098.60x = 215,723,919,697.26
  5. Step 5: Solve for x
    x = 215,723,919,697.26/416,098.60
  6. Step 6: Final answer
    x = 518,444.23

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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.