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Finding the Fourth Proportional to 701,330.60, 1,051,412.70 and 368,906.60

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Solution

The fourth proportional to 701,330.60, 1,051,412.70 and 368,906.60 is: 553,053.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,330.60 : 1,051,412.70 = 368,906.60 : x
  2. Step 2: Convert to fraction form
    701,330.60/1,051,412.70 = 368,906.60/x
  3. Step 3: Cross multiply
    701,330.60x = 1,051,412.70 × 368,906.60
  4. Step 4: Simplify right side
    701,330.60x = 387,873,084,353.82
  5. Step 5: Solve for x
    x = 387,873,084,353.82/701,330.60
  6. Step 6: Final answer
    x = 553,053.13

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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.