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Finding the Fourth Proportional to 371,443.51, 512,586.79 and 210,294.37

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Solution

The fourth proportional to 371,443.51, 512,586.79 and 210,294.37 is: 290,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,443.51 : 512,586.79 = 210,294.37 : x
  2. Step 2: Convert to fraction form
    371,443.51/512,586.79 = 210,294.37/x
  3. Step 3: Cross multiply
    371,443.51x = 512,586.79 × 210,294.37
  4. Step 4: Simplify right side
    371,443.51x = 107,794,117,732.71
  5. Step 5: Solve for x
    x = 107,794,117,732.71/371,443.51
  6. Step 6: Final answer
    x = 290,203.26

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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.