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Finding the Fourth Proportional to 247,341.45, 370,514.63 and 187,472.33

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Solution

The fourth proportional to 247,341.45, 370,514.63 and 187,472.33 is: 280,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,341.45 : 370,514.63 = 187,472.33 : x
  2. Step 2: Convert to fraction form
    247,341.45/370,514.63 = 187,472.33/x
  3. Step 3: Cross multiply
    247,341.45x = 370,514.63 × 187,472.33
  4. Step 4: Simplify right side
    247,341.45x = 69,461,239,601.30
  5. Step 5: Solve for x
    x = 69,461,239,601.30/247,341.45
  6. Step 6: Final answer
    x = 280,831.38

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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.