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Finding the Fourth Proportional to 672,236.90, 941,831.50 and 672,236.90

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Solution

The fourth proportional to 672,236.90, 941,831.50 and 672,236.90 is: 941,831.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,236.90 : 941,831.50 = 672,236.90 : x
  2. Step 2: Convert to fraction form
    672,236.90/941,831.50 = 672,236.90/x
  3. Step 3: Cross multiply
    672,236.90x = 941,831.50 × 672,236.90
  4. Step 4: Simplify right side
    672,236.90x = 633,133,887,882.35
  5. Step 5: Solve for x
    x = 633,133,887,882.35/672,236.90
  6. Step 6: Final answer
    x = 941,831.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.