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Finding the Fourth Proportional to 608,701.71, 912,179.14 and 341,900.71

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Solution

The fourth proportional to 608,701.71, 912,179.14 and 341,900.71 is: 512,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,701.71 : 912,179.14 = 341,900.71 : x
  2. Step 2: Convert to fraction form
    608,701.71/912,179.14 = 341,900.71/x
  3. Step 3: Cross multiply
    608,701.71x = 912,179.14 × 341,900.71
  4. Step 4: Simplify right side
    608,701.71x = 311,874,692,477.99
  5. Step 5: Solve for x
    x = 311,874,692,477.99/608,701.71
  6. Step 6: Final answer
    x = 512,360.46

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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.