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Finding the Fourth Proportional to 367,959.51, 507,738.65 and 212,937.39

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Solution

The fourth proportional to 367,959.51, 507,738.65 and 212,937.39 is: 293,827.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,959.51 : 507,738.65 = 212,937.39 : x
  2. Step 2: Convert to fraction form
    367,959.51/507,738.65 = 212,937.39/x
  3. Step 3: Cross multiply
    367,959.51x = 507,738.65 × 212,937.39
  4. Step 4: Simplify right side
    367,959.51x = 108,116,541,868.44
  5. Step 5: Solve for x
    x = 108,116,541,868.44/367,959.51
  6. Step 6: Final answer
    x = 293,827.28

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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.