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Finding the Fourth Proportional to 554,809.73, 832,214.73 and 134,085.56

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Solution

The fourth proportional to 554,809.73, 832,214.73 and 134,085.56 is: 201,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,809.73 : 832,214.73 = 134,085.56 : x
  2. Step 2: Convert to fraction form
    554,809.73/832,214.73 = 134,085.56/x
  3. Step 3: Cross multiply
    554,809.73x = 832,214.73 × 134,085.56
  4. Step 4: Simplify right side
    554,809.73x = 111,587,978,112.30
  5. Step 5: Solve for x
    x = 111,587,978,112.30/554,809.73
  6. Step 6: Final answer
    x = 201,128.37

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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.