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Finding the Fourth Proportional to 750,574.69, 1,125,978.67 and 252,055.33

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Solution

The fourth proportional to 750,574.69, 1,125,978.67 and 252,055.33 is: 378,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,574.69 : 1,125,978.67 = 252,055.33 : x
  2. Step 2: Convert to fraction form
    750,574.69/1,125,978.67 = 252,055.33/x
  3. Step 3: Cross multiply
    750,574.69x = 1,125,978.67 × 252,055.33
  4. Step 4: Simplify right side
    750,574.69x = 283,808,922,739.93
  5. Step 5: Solve for x
    x = 283,808,922,739.93/750,574.69
  6. Step 6: Final answer
    x = 378,122.16

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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.