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Finding the Fourth Proportional to 499,511.10, 749,266.65 and 373,539.90

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Solution

The fourth proportional to 499,511.10, 749,266.65 and 373,539.90 is: 560,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,511.10 : 749,266.65 = 373,539.90 : x
  2. Step 2: Convert to fraction form
    499,511.10/749,266.65 = 373,539.90/x
  3. Step 3: Cross multiply
    499,511.10x = 749,266.65 × 373,539.90
  4. Step 4: Simplify right side
    499,511.10x = 279,880,989,514.34
  5. Step 5: Solve for x
    x = 279,880,989,514.34/499,511.10
  6. Step 6: Final answer
    x = 560,309.85

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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.