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Finding the Fourth Proportional to 554,668.72, 832,001.25 and 133,944.59

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Solution

The fourth proportional to 554,668.72, 832,001.25 and 133,944.59 is: 200,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,668.72 : 832,001.25 = 133,944.59 : x
  2. Step 2: Convert to fraction form
    554,668.72/832,001.25 = 133,944.59/x
  3. Step 3: Cross multiply
    554,668.72x = 832,001.25 × 133,944.59
  4. Step 4: Simplify right side
    554,668.72x = 111,442,068,893.03
  5. Step 5: Solve for x
    x = 111,442,068,893.03/554,668.72
  6. Step 6: Final answer
    x = 200,916.45

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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.