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Finding the Fourth Proportional to 363,316.60, 545,412.30 and 360,692.20

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Solution

The fourth proportional to 363,316.60, 545,412.30 and 360,692.20 is: 541,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,316.60 : 545,412.30 = 360,692.20 : x
  2. Step 2: Convert to fraction form
    363,316.60/545,412.30 = 360,692.20/x
  3. Step 3: Cross multiply
    363,316.60x = 545,412.30 × 360,692.20
  4. Step 4: Simplify right side
    363,316.60x = 196,725,962,394.06
  5. Step 5: Solve for x
    x = 196,725,962,394.06/363,316.60
  6. Step 6: Final answer
    x = 541,472.54

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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.