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Finding the Fourth Proportional to 307,677.12, 424,594.20 and 173,541.12

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Solution

The fourth proportional to 307,677.12, 424,594.20 and 173,541.12 is: 239,486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,677.12 : 424,594.20 = 173,541.12 : x
  2. Step 2: Convert to fraction form
    307,677.12/424,594.20 = 173,541.12/x
  3. Step 3: Cross multiply
    307,677.12x = 424,594.20 × 173,541.12
  4. Step 4: Simplify right side
    307,677.12x = 73,684,553,013.50
  5. Step 5: Solve for x
    x = 73,684,553,013.50/307,677.12
  6. Step 6: Final answer
    x = 239,486.62

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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.