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Finding the Fourth Proportional to 544,831.60, 751,865.32 and 303,137.32

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Solution

The fourth proportional to 544,831.60, 751,865.32 and 303,137.32 is: 418,328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,831.60 : 751,865.32 = 303,137.32 : x
  2. Step 2: Convert to fraction form
    544,831.60/751,865.32 = 303,137.32/x
  3. Step 3: Cross multiply
    544,831.60x = 751,865.32 × 303,137.32
  4. Step 4: Simplify right side
    544,831.60x = 227,918,438,105.74
  5. Step 5: Solve for x
    x = 227,918,438,105.74/544,831.60
  6. Step 6: Final answer
    x = 418,328.23

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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.