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Finding the Fourth Proportional to 459,279.66, 688,277.97 and 222,559.50

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Solution

The fourth proportional to 459,279.66, 688,277.97 and 222,559.50 is: 333,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,279.66 : 688,277.97 = 222,559.50 : x
  2. Step 2: Convert to fraction form
    459,279.66/688,277.97 = 222,559.50/x
  3. Step 3: Cross multiply
    459,279.66x = 688,277.97 × 222,559.50
  4. Step 4: Simplify right side
    459,279.66x = 153,182,800,864.22
  5. Step 5: Solve for x
    x = 153,182,800,864.22/459,279.66
  6. Step 6: Final answer
    x = 333,528.38

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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.