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Finding the Fourth Proportional to 375,129.06, 562,692.73 and 289,863.90

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Solution

The fourth proportional to 375,129.06, 562,692.73 and 289,863.90 is: 434,795.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,129.06 : 562,692.73 = 289,863.90 : x
  2. Step 2: Convert to fraction form
    375,129.06/562,692.73 = 289,863.90/x
  3. Step 3: Cross multiply
    375,129.06x = 562,692.73 × 289,863.90
  4. Step 4: Simplify right side
    375,129.06x = 163,104,309,219.45
  5. Step 5: Solve for x
    x = 163,104,309,219.45/375,129.06
  6. Step 6: Final answer
    x = 434,795.19

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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.