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Finding the Fourth Proportional to 371,515.94, 557,273.90 and 91,030.76

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Solution

The fourth proportional to 371,515.94, 557,273.90 and 91,030.76 is: 136,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,515.94 : 557,273.90 = 91,030.76 : x
  2. Step 2: Convert to fraction form
    371,515.94/557,273.90 = 91,030.76/x
  3. Step 3: Cross multiply
    371,515.94x = 557,273.90 × 91,030.76
  4. Step 4: Simplify right side
    371,515.94x = 50,729,066,645.16
  5. Step 5: Solve for x
    x = 50,729,066,645.16/371,515.94
  6. Step 6: Final answer
    x = 136,546.14

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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.