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Finding the Fourth Proportional to 522,036.20, 783,127.20 and 222,514.40

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Solution

The fourth proportional to 522,036.20, 783,127.20 and 222,514.40 is: 333,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,036.20 : 783,127.20 = 222,514.40 : x
  2. Step 2: Convert to fraction form
    522,036.20/783,127.20 = 222,514.40/x
  3. Step 3: Cross multiply
    522,036.20x = 783,127.20 × 222,514.40
  4. Step 4: Simplify right side
    522,036.20x = 174,257,079,031.68
  5. Step 5: Solve for x
    x = 174,257,079,031.68/522,036.20
  6. Step 6: Final answer
    x = 333,802.67

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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.