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Finding the Fourth Proportional to 371,443.30, 512,586.49 and 210,294.16

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Solution

The fourth proportional to 371,443.30, 512,586.49 and 210,294.16 is: 290,202.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,443.30 : 512,586.49 = 210,294.16 : x
  2. Step 2: Convert to fraction form
    371,443.30/512,586.49 = 210,294.16/x
  3. Step 3: Cross multiply
    371,443.30x = 512,586.49 × 210,294.16
  4. Step 4: Simplify right side
    371,443.30x = 107,793,942,253.23
  5. Step 5: Solve for x
    x = 107,793,942,253.23/371,443.30
  6. Step 6: Final answer
    x = 290,202.96

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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.