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Finding the Fourth Proportional to 307,874.04, 424,873.38 and 171,903.39

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Solution

The fourth proportional to 307,874.04, 424,873.38 and 171,903.39 is: 237,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,874.04 : 424,873.38 = 171,903.39 : x
  2. Step 2: Convert to fraction form
    307,874.04/424,873.38 = 171,903.39/x
  3. Step 3: Cross multiply
    307,874.04x = 424,873.38 × 171,903.39
  4. Step 4: Simplify right side
    307,874.04x = 73,037,174,342.76
  5. Step 5: Solve for x
    x = 73,037,174,342.76/307,874.04
  6. Step 6: Final answer
    x = 237,230.70

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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.