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Finding the Fourth Proportional to 735,253.20, 1,102,879.80 and 483,310.80

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Solution

The fourth proportional to 735,253.20, 1,102,879.80 and 483,310.80 is: 724,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,253.20 : 1,102,879.80 = 483,310.80 : x
  2. Step 2: Convert to fraction form
    735,253.20/1,102,879.80 = 483,310.80/x
  3. Step 3: Cross multiply
    735,253.20x = 1,102,879.80 × 483,310.80
  4. Step 4: Simplify right side
    735,253.20x = 533,033,718,441.84
  5. Step 5: Solve for x
    x = 533,033,718,441.84/735,253.20
  6. Step 6: Final answer
    x = 724,966.20

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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.