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Finding the Fourth Proportional to 562,177.60, 841,915.26 and 321,562.12

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Solution

The fourth proportional to 562,177.60, 841,915.26 and 321,562.12 is: 481,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,177.60 : 841,915.26 = 321,562.12 : x
  2. Step 2: Convert to fraction form
    562,177.60/841,915.26 = 321,562.12/x
  3. Step 3: Cross multiply
    562,177.60x = 841,915.26 × 321,562.12
  4. Step 4: Simplify right side
    562,177.60x = 270,728,055,865.95
  5. Step 5: Solve for x
    x = 270,728,055,865.95/562,177.60
  6. Step 6: Final answer
    x = 481,570.34

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1.5x scale

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.