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Finding the Fourth Proportional to 500,866.39, 750,904.30 and 248,233.87

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Solution

The fourth proportional to 500,866.39, 750,904.30 and 248,233.87 is: 372,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,866.39 : 750,904.30 = 248,233.87 : x
  2. Step 2: Convert to fraction form
    500,866.39/750,904.30 = 248,233.87/x
  3. Step 3: Cross multiply
    500,866.39x = 750,904.30 × 248,233.87
  4. Step 4: Simplify right side
    500,866.39x = 186,399,880,388.64
  5. Step 5: Solve for x
    x = 186,399,880,388.64/500,866.39
  6. Step 6: Final answer
    x = 372,154.90

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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.