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Finding the Fourth Proportional to 371,443.08, 512,623.17 and 210,326.52

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Solution

The fourth proportional to 371,443.08, 512,623.17 and 210,326.52 is: 290,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,443.08 : 512,623.17 = 210,326.52 : x
  2. Step 2: Convert to fraction form
    371,443.08/512,623.17 = 210,326.52/x
  3. Step 3: Cross multiply
    371,443.08x = 512,623.17 × 210,326.52
  4. Step 4: Simplify right side
    371,443.08x = 107,818,247,417.47
  5. Step 5: Solve for x
    x = 107,818,247,417.47/371,443.08
  6. Step 6: Final answer
    x = 290,268.56

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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.