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Finding the Fourth Proportional to 523,322.40, 784,983.60 and 484,831.20

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Solution

The fourth proportional to 523,322.40, 784,983.60 and 484,831.20 is: 727,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,322.40 : 784,983.60 = 484,831.20 : x
  2. Step 2: Convert to fraction form
    523,322.40/784,983.60 = 484,831.20/x
  3. Step 3: Cross multiply
    523,322.40x = 784,983.60 × 484,831.20
  4. Step 4: Simplify right side
    523,322.40x = 380,584,540,768.32
  5. Step 5: Solve for x
    x = 380,584,540,768.32/523,322.40
  6. Step 6: Final answer
    x = 727,246.80

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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.