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Finding the Fourth Proportional to 307,545.40, 461,447.70 and 167,404.60

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Solution

The fourth proportional to 307,545.40, 461,447.70 and 167,404.60 is: 251,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,545.40 : 461,447.70 = 167,404.60 : x
  2. Step 2: Convert to fraction form
    307,545.40/461,447.70 = 167,404.60/x
  3. Step 3: Cross multiply
    307,545.40x = 461,447.70 × 167,404.60
  4. Step 4: Simplify right side
    307,545.40x = 77,248,467,639.42
  5. Step 5: Solve for x
    x = 77,248,467,639.42/307,545.40
  6. Step 6: Final answer
    x = 251,177.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.