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Finding the Fourth Proportional to 468,700.24, 646,803.12 and 253,835.44

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Solution

The fourth proportional to 468,700.24, 646,803.12 and 253,835.44 is: 350,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,700.24 : 646,803.12 = 253,835.44 : x
  2. Step 2: Convert to fraction form
    468,700.24/646,803.12 = 253,835.44/x
  3. Step 3: Cross multiply
    468,700.24x = 646,803.12 × 253,835.44
  4. Step 4: Simplify right side
    468,700.24x = 164,181,554,558.57
  5. Step 5: Solve for x
    x = 164,181,554,558.57/468,700.24
  6. Step 6: Final answer
    x = 350,291.17

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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.