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Finding the Fourth Proportional to 488,461.40, 732,692.10 and 329,029.10

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Solution

The fourth proportional to 488,461.40, 732,692.10 and 329,029.10 is: 493,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,461.40 : 732,692.10 = 329,029.10 : x
  2. Step 2: Convert to fraction form
    488,461.40/732,692.10 = 329,029.10/x
  3. Step 3: Cross multiply
    488,461.40x = 732,692.10 × 329,029.10
  4. Step 4: Simplify right side
    488,461.40x = 241,077,022,240.11
  5. Step 5: Solve for x
    x = 241,077,022,240.11/488,461.40
  6. Step 6: Final answer
    x = 493,543.65

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Double scale
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Similar ratio
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1.5x scale

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.