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Finding the Fourth Proportional to 281,590.94, 423,585.06 and 255,254.52

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Solution

The fourth proportional to 281,590.94, 423,585.06 and 255,254.52 is: 383,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,590.94 : 423,585.06 = 255,254.52 : x
  2. Step 2: Convert to fraction form
    281,590.94/423,585.06 = 255,254.52/x
  3. Step 3: Cross multiply
    281,590.94x = 423,585.06 × 255,254.52
  4. Step 4: Simplify right side
    281,590.94x = 108,122,001,800.71
  5. Step 5: Solve for x
    x = 108,122,001,800.71/281,590.94
  6. Step 6: Final answer
    x = 383,968.33

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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.