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Finding the Fourth Proportional to 403,295.76, 556,541.69 and 222,008.24

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Solution

The fourth proportional to 403,295.76, 556,541.69 and 222,008.24 is: 306,367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,295.76 : 556,541.69 = 222,008.24 : x
  2. Step 2: Convert to fraction form
    403,295.76/556,541.69 = 222,008.24/x
  3. Step 3: Cross multiply
    403,295.76x = 556,541.69 × 222,008.24
  4. Step 4: Simplify right side
    403,295.76x = 123,556,841,364.84
  5. Step 5: Solve for x
    x = 123,556,841,364.84/403,295.76
  6. Step 6: Final answer
    x = 306,367.82

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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.