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Finding the Fourth Proportional to 375,928.76, 564,010.05 and 123,211.46

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Solution

The fourth proportional to 375,928.76, 564,010.05 and 123,211.46 is: 184,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,928.76 : 564,010.05 = 123,211.46 : x
  2. Step 2: Convert to fraction form
    375,928.76/564,010.05 = 123,211.46/x
  3. Step 3: Cross multiply
    375,928.76x = 564,010.05 × 123,211.46
  4. Step 4: Simplify right side
    375,928.76x = 69,492,498,895.12
  5. Step 5: Solve for x
    x = 69,492,498,895.12/375,928.76
  6. Step 6: Final answer
    x = 184,855.50

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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.