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Finding the Fourth Proportional to 447,564.40, 672,124.20 and 237,612.40

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Solution

The fourth proportional to 447,564.40, 672,124.20 and 237,612.40 is: 356,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,564.40 : 672,124.20 = 237,612.40 : x
  2. Step 2: Convert to fraction form
    447,564.40/672,124.20 = 237,612.40/x
  3. Step 3: Cross multiply
    447,564.40x = 672,124.20 × 237,612.40
  4. Step 4: Simplify right side
    447,564.40x = 159,705,044,260.08
  5. Step 5: Solve for x
    x = 159,705,044,260.08/447,564.40
  6. Step 6: Final answer
    x = 356,831.43

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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.