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Finding the Fourth Proportional to 371,585.53, 512,800.14 and 210,437.11

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Solution

The fourth proportional to 371,585.53, 512,800.14 and 210,437.11 is: 290,410.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,585.53 : 512,800.14 = 210,437.11 : x
  2. Step 2: Convert to fraction form
    371,585.53/512,800.14 = 210,437.11/x
  3. Step 3: Cross multiply
    371,585.53x = 512,800.14 × 210,437.11
  4. Step 4: Simplify right side
    371,585.53x = 107,912,179,469.20
  5. Step 5: Solve for x
    x = 107,912,179,469.20/371,585.53
  6. Step 6: Final answer
    x = 290,410.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.