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Finding the Fourth Proportional to 307,585, 424,493.22 and 173,474.92

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Solution

The fourth proportional to 307,585, 424,493.22 and 173,474.92 is: 239,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,585 : 424,493.22 = 173,474.92 : x
  2. Step 2: Convert to fraction form
    307,585/424,493.22 = 173,474.92/x
  3. Step 3: Cross multiply
    307,585x = 424,493.22 × 173,474.92
  4. Step 4: Simplify right side
    307,585x = 73,638,927,380.04
  5. Step 5: Solve for x
    x = 73,638,927,380.04/307,585
  6. Step 6: Final answer
    x = 239,410.01

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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.