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Finding the Fourth Proportional to 578,340.96, 798,110.43 and 323,692.14

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Solution

The fourth proportional to 578,340.96, 798,110.43 and 323,692.14 is: 446,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,340.96 : 798,110.43 = 323,692.14 : x
  2. Step 2: Convert to fraction form
    578,340.96/798,110.43 = 323,692.14/x
  3. Step 3: Cross multiply
    578,340.96x = 798,110.43 × 323,692.14
  4. Step 4: Simplify right side
    578,340.96x = 258,342,073,043.02
  5. Step 5: Solve for x
    x = 258,342,073,043.02/578,340.96
  6. Step 6: Final answer
    x = 446,695.10

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1.5x scale

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.