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Finding the Fourth Proportional to 374,289.48, 516,612.24 and 213,240.24

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Solution

The fourth proportional to 374,289.48, 516,612.24 and 213,240.24 is: 294,324.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,289.48 : 516,612.24 = 213,240.24 : x
  2. Step 2: Convert to fraction form
    374,289.48/516,612.24 = 213,240.24/x
  3. Step 3: Cross multiply
    374,289.48x = 516,612.24 × 213,240.24
  4. Step 4: Simplify right side
    374,289.48x = 110,162,518,044.54
  5. Step 5: Solve for x
    x = 110,162,518,044.54/374,289.48
  6. Step 6: Final answer
    x = 294,324.38

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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.