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Finding the Fourth Proportional to 565,697.79, 848,916.05 and 210,995.55

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Solution

The fourth proportional to 565,697.79, 848,916.05 and 210,995.55 is: 316,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,697.79 : 848,916.05 = 210,995.55 : x
  2. Step 2: Convert to fraction form
    565,697.79/848,916.05 = 210,995.55/x
  3. Step 3: Cross multiply
    565,697.79x = 848,916.05 × 210,995.55
  4. Step 4: Simplify right side
    565,697.79x = 179,117,507,818.60
  5. Step 5: Solve for x
    x = 179,117,507,818.60/565,697.79
  6. Step 6: Final answer
    x = 316,631.09

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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.