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Finding the Fourth Proportional to 523,036.20, 784,627.20 and 223,514.40

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Solution

The fourth proportional to 523,036.20, 784,627.20 and 223,514.40 is: 335,302.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,036.20 : 784,627.20 = 223,514.40 : x
  2. Step 2: Convert to fraction form
    523,036.20/784,627.20 = 223,514.40/x
  3. Step 3: Cross multiply
    523,036.20x = 784,627.20 × 223,514.40
  4. Step 4: Simplify right side
    523,036.20x = 175,375,477,831.68
  5. Step 5: Solve for x
    x = 175,375,477,831.68/523,036.20
  6. Step 6: Final answer
    x = 335,302.75

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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.