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Finding the Fourth Proportional to 307,293.69, 424,093.14 and 186,465.59

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Solution

The fourth proportional to 307,293.69, 424,093.14 and 186,465.59 is: 257,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,293.69 : 424,093.14 = 186,465.59 : x
  2. Step 2: Convert to fraction form
    307,293.69/424,093.14 = 186,465.59/x
  3. Step 3: Cross multiply
    307,293.69x = 424,093.14 × 186,465.59
  4. Step 4: Simplify right side
    307,293.69x = 79,078,775,444.59
  5. Step 5: Solve for x
    x = 79,078,775,444.59/307,293.69
  6. Step 6: Final answer
    x = 257,339.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.