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Finding the Fourth Proportional to 567,568.78, 851,328.56 and 141,095.68

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Solution

The fourth proportional to 567,568.78, 851,328.56 and 141,095.68 is: 211,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,568.78 : 851,328.56 = 141,095.68 : x
  2. Step 2: Convert to fraction form
    567,568.78/851,328.56 = 141,095.68/x
  3. Step 3: Cross multiply
    567,568.78x = 851,328.56 × 141,095.68
  4. Step 4: Simplify right side
    567,568.78x = 120,118,780,301.04
  5. Step 5: Solve for x
    x = 120,118,780,301.04/567,568.78
  6. Step 6: Final answer
    x = 211,637.40

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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.