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Finding the Fourth Proportional to 554,720.69, 832,081.03 and 133,996.56

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Solution

The fourth proportional to 554,720.69, 832,081.03 and 133,996.56 is: 200,994.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,720.69 : 832,081.03 = 133,996.56 : x
  2. Step 2: Convert to fraction form
    554,720.69/832,081.03 = 133,996.56/x
  3. Step 3: Cross multiply
    554,720.69x = 832,081.03 × 133,996.56
  4. Step 4: Simplify right side
    554,720.69x = 111,495,995,661.26
  5. Step 5: Solve for x
    x = 111,495,995,661.26/554,720.69
  6. Step 6: Final answer
    x = 200,994.84

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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.