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Finding the Fourth Proportional to 619,941.97, 929,803.80 and 170,554.37

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Solution

The fourth proportional to 619,941.97, 929,803.80 and 170,554.37 is: 255,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,941.97 : 929,803.80 = 170,554.37 : x
  2. Step 2: Convert to fraction form
    619,941.97/929,803.80 = 170,554.37/x
  3. Step 3: Cross multiply
    619,941.97x = 929,803.80 × 170,554.37
  4. Step 4: Simplify right side
    619,941.97x = 158,582,101,332.61
  5. Step 5: Solve for x
    x = 158,582,101,332.61/619,941.97
  6. Step 6: Final answer
    x = 255,801.53

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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.