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Finding the Fourth Proportional to 499,075.20, 748,612.80 and 183,491.10

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Solution

The fourth proportional to 499,075.20, 748,612.80 and 183,491.10 is: 275,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,075.20 : 748,612.80 = 183,491.10 : x
  2. Step 2: Convert to fraction form
    499,075.20/748,612.80 = 183,491.10/x
  3. Step 3: Cross multiply
    499,075.20x = 748,612.80 × 183,491.10
  4. Step 4: Simplify right side
    499,075.20x = 137,363,786,146.08
  5. Step 5: Solve for x
    x = 137,363,786,146.08/499,075.20
  6. Step 6: Final answer
    x = 275,236.65

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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.