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Finding the Fourth Proportional to 468,118.68, 646,008.46 and 253,263.36

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Solution

The fourth proportional to 468,118.68, 646,008.46 and 253,263.36 is: 349,505.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,118.68 : 646,008.46 = 253,263.36 : x
  2. Step 2: Convert to fraction form
    468,118.68/646,008.46 = 253,263.36/x
  3. Step 3: Cross multiply
    468,118.68x = 646,008.46 × 253,263.36
  4. Step 4: Simplify right side
    468,118.68x = 163,610,273,168.03
  5. Step 5: Solve for x
    x = 163,610,273,168.03/468,118.68
  6. Step 6: Final answer
    x = 349,505.97

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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.