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Finding the Fourth Proportional to 866,502.48, 1,299,200 and 416,327.52

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Solution

The fourth proportional to 866,502.48, 1,299,200 and 416,327.52 is: 624,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,502.48 : 1,299,200 = 416,327.52 : x
  2. Step 2: Convert to fraction form
    866,502.48/1,299,200 = 416,327.52/x
  3. Step 3: Cross multiply
    866,502.48x = 1,299,200 × 416,327.52
  4. Step 4: Simplify right side
    866,502.48x = 540,892,713,984
  5. Step 5: Solve for x
    x = 540,892,713,984/866,502.48
  6. Step 6: Final answer
    x = 624,225.23

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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.