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Finding the Fourth Proportional to 506,128.86, 759,404.30 and 222,023.32

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Solution

The fourth proportional to 506,128.86, 759,404.30 and 222,023.32 is: 333,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,128.86 : 759,404.30 = 222,023.32 : x
  2. Step 2: Convert to fraction form
    506,128.86/759,404.30 = 222,023.32/x
  3. Step 3: Cross multiply
    506,128.86x = 759,404.30 × 222,023.32
  4. Step 4: Simplify right side
    506,128.86x = 168,605,460,899.65
  5. Step 5: Solve for x
    x = 168,605,460,899.65/506,128.86
  6. Step 6: Final answer
    x = 333,127.54

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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.