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Finding the Fourth Proportional to 356,934.60, 534,365.10 and 346,566.60

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Solution

The fourth proportional to 356,934.60, 534,365.10 and 346,566.60 is: 518,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,934.60 : 534,365.10 = 346,566.60 : x
  2. Step 2: Convert to fraction form
    356,934.60/534,365.10 = 346,566.60/x
  3. Step 3: Cross multiply
    356,934.60x = 534,365.10 × 346,566.60
  4. Step 4: Simplify right side
    356,934.60x = 185,193,095,865.66
  5. Step 5: Solve for x
    x = 185,193,095,865.66/356,934.60
  6. Step 6: Final answer
    x = 518,843.22

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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.