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Finding the Fourth Proportional to 616,900.27, 925,123.75 and 211,977.64

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Solution

The fourth proportional to 616,900.27, 925,123.75 and 211,977.64 is: 317,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,900.27 : 925,123.75 = 211,977.64 : x
  2. Step 2: Convert to fraction form
    616,900.27/925,123.75 = 211,977.64/x
  3. Step 3: Cross multiply
    616,900.27x = 925,123.75 × 211,977.64
  4. Step 4: Simplify right side
    616,900.27x = 196,105,552,639.23
  5. Step 5: Solve for x
    x = 196,105,552,639.23/616,900.27
  6. Step 6: Final answer
    x = 317,888.58

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1.5x scale

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.