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Finding the Fourth Proportional to 371,703.24, 512,913.46 and 210,526.12

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Solution

The fourth proportional to 371,703.24, 512,913.46 and 210,526.12 is: 290,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,703.24 : 512,913.46 = 210,526.12 : x
  2. Step 2: Convert to fraction form
    371,703.24/512,913.46 = 210,526.12/x
  3. Step 3: Cross multiply
    371,703.24x = 512,913.46 × 210,526.12
  4. Step 4: Simplify right side
    371,703.24x = 107,981,680,629.58
  5. Step 5: Solve for x
    x = 107,981,680,629.58/371,703.24
  6. Step 6: Final answer
    x = 290,505.08

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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.