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Finding the Fourth Proportional to 307,437.95, 458,100.59 and 273,900.31

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Solution

The fourth proportional to 307,437.95, 458,100.59 and 273,900.31 is: 408,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,437.95 : 458,100.59 = 273,900.31 : x
  2. Step 2: Convert to fraction form
    307,437.95/458,100.59 = 273,900.31/x
  3. Step 3: Cross multiply
    307,437.95x = 458,100.59 × 273,900.31
  4. Step 4: Simplify right side
    307,437.95x = 125,473,891,097.43
  5. Step 5: Solve for x
    x = 125,473,891,097.43/307,437.95
  6. Step 6: Final answer
    x = 408,127.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.