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Finding the Fourth Proportional to 619,279.50, 929,075.37 and 176,047.50

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Solution

The fourth proportional to 619,279.50, 929,075.37 and 176,047.50 is: 264,115.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,279.50 : 929,075.37 = 176,047.50 : x
  2. Step 2: Convert to fraction form
    619,279.50/929,075.37 = 176,047.50/x
  3. Step 3: Cross multiply
    619,279.50x = 929,075.37 × 176,047.50
  4. Step 4: Simplify right side
    619,279.50x = 163,561,396,200.08
  5. Step 5: Solve for x
    x = 163,561,396,200.08/619,279.50
  6. Step 6: Final answer
    x = 264,115.63

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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.