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Finding the Fourth Proportional to 594,455.76, 891,711.89 and 189,690.86

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Solution

The fourth proportional to 594,455.76, 891,711.89 and 189,690.86 is: 284,545.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,455.76 : 891,711.89 = 189,690.86 : x
  2. Step 2: Convert to fraction form
    594,455.76/891,711.89 = 189,690.86/x
  3. Step 3: Cross multiply
    594,455.76x = 891,711.89 × 189,690.86
  4. Step 4: Simplify right side
    594,455.76x = 169,149,597,278.49
  5. Step 5: Solve for x
    x = 169,149,597,278.49/594,455.76
  6. Step 6: Final answer
    x = 284,545.31

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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.