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Finding the Fourth Proportional to 474,692.15, 655,075.88 and 259,845.81

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Solution

The fourth proportional to 474,692.15, 655,075.88 and 259,845.81 is: 358,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,692.15 : 655,075.88 = 259,845.81 : x
  2. Step 2: Convert to fraction form
    474,692.15/655,075.88 = 259,845.81/x
  3. Step 3: Cross multiply
    474,692.15x = 655,075.88 × 259,845.81
  4. Step 4: Simplify right side
    474,692.15x = 170,218,721,350.83
  5. Step 5: Solve for x
    x = 170,218,721,350.83/474,692.15
  6. Step 6: Final answer
    x = 358,587.61

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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.