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Finding the Fourth Proportional to 565,585.30, 848,333.85 and 328,776.94

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Solution

The fourth proportional to 565,585.30, 848,333.85 and 328,776.94 is: 493,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,585.30 : 848,333.85 = 328,776.94 : x
  2. Step 2: Convert to fraction form
    565,585.30/848,333.85 = 328,776.94/x
  3. Step 3: Cross multiply
    565,585.30x = 848,333.85 × 328,776.94
  4. Step 4: Simplify right side
    565,585.30x = 278,912,607,301.42
  5. Step 5: Solve for x
    x = 278,912,607,301.42/565,585.30
  6. Step 6: Final answer
    x = 493,139.77

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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.