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Finding the Fourth Proportional to 942,033.22, 1,299,978.06 and 534,172.30

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Solution

The fourth proportional to 942,033.22, 1,299,978.06 and 534,172.30 is: 737,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,033.22 : 1,299,978.06 = 534,172.30 : x
  2. Step 2: Convert to fraction form
    942,033.22/1,299,978.06 = 534,172.30/x
  3. Step 3: Cross multiply
    942,033.22x = 1,299,978.06 × 534,172.30
  4. Step 4: Simplify right side
    942,033.22x = 694,412,270,259.74
  5. Step 5: Solve for x
    x = 694,412,270,259.74/942,033.22
  6. Step 6: Final answer
    x = 737,142.02

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1.5x scale

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.