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Finding the Fourth Proportional to 559,389.90, 838,581.03 and 204,154.68

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Solution

The fourth proportional to 559,389.90, 838,581.03 and 204,154.68 is: 306,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,389.90 : 838,581.03 = 204,154.68 : x
  2. Step 2: Convert to fraction form
    559,389.90/838,581.03 = 204,154.68/x
  3. Step 3: Cross multiply
    559,389.90x = 838,581.03 × 204,154.68
  4. Step 4: Simplify right side
    559,389.90x = 171,200,241,833.72
  5. Step 5: Solve for x
    x = 171,200,241,833.72/559,389.90
  6. Step 6: Final answer
    x = 306,048.15

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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.