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Finding the Fourth Proportional to 718,756.68, 992,203.03 and 464,232

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Solution

The fourth proportional to 718,756.68, 992,203.03 and 464,232 is: 640,846.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,756.68 : 992,203.03 = 464,232 : x
  2. Step 2: Convert to fraction form
    718,756.68/992,203.03 = 464,232/x
  3. Step 3: Cross multiply
    718,756.68x = 992,203.03 × 464,232
  4. Step 4: Simplify right side
    718,756.68x = 460,612,397,022.96
  5. Step 5: Solve for x
    x = 460,612,397,022.96/718,756.68
  6. Step 6: Final answer
    x = 640,846.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.