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Finding the Fourth Proportional to 507,346.66, 760,959.51 and 133,398.82

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Solution

The fourth proportional to 507,346.66, 760,959.51 and 133,398.82 is: 200,082.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,346.66 : 760,959.51 = 133,398.82 : x
  2. Step 2: Convert to fraction form
    507,346.66/760,959.51 = 133,398.82/x
  3. Step 3: Cross multiply
    507,346.66x = 760,959.51 × 133,398.82
  4. Step 4: Simplify right side
    507,346.66x = 101,511,100,701.78
  5. Step 5: Solve for x
    x = 101,511,100,701.78/507,346.66
  6. Step 6: Final answer
    x = 200,082.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.