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Finding the Fourth Proportional to 458,838.72, 633,298.56 and 254,959.56

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Solution

The fourth proportional to 458,838.72, 633,298.56 and 254,959.56 is: 351,900.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,838.72 : 633,298.56 = 254,959.56 : x
  2. Step 2: Convert to fraction form
    458,838.72/633,298.56 = 254,959.56/x
  3. Step 3: Cross multiply
    458,838.72x = 633,298.56 × 254,959.56
  4. Step 4: Simplify right side
    458,838.72x = 161,465,522,206.23
  5. Step 5: Solve for x
    x = 161,465,522,206.23/458,838.72
  6. Step 6: Final answer
    x = 351,900.38

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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.