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Finding the Fourth Proportional to 587,392, 881,085.12 and 166,668.64

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Solution

The fourth proportional to 587,392, 881,085.12 and 166,668.64 is: 250,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,392 : 881,085.12 = 166,668.64 : x
  2. Step 2: Convert to fraction form
    587,392/881,085.12 = 166,668.64/x
  3. Step 3: Cross multiply
    587,392x = 881,085.12 × 166,668.64
  4. Step 4: Simplify right side
    587,392x = 146,849,258,674.64
  5. Step 5: Solve for x
    x = 146,849,258,674.64/587,392
  6. Step 6: Final answer
    x = 250,002.14

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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.