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Finding the Fourth Proportional to 370,009.33, 510,612.88 and 200,243.46

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Solution

The fourth proportional to 370,009.33, 510,612.88 and 200,243.46 is: 276,335.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,009.33 : 510,612.88 = 200,243.46 : x
  2. Step 2: Convert to fraction form
    370,009.33/510,612.88 = 200,243.46/x
  3. Step 3: Cross multiply
    370,009.33x = 510,612.88 × 200,243.46
  4. Step 4: Simplify right side
    370,009.33x = 102,246,889,811.77
  5. Step 5: Solve for x
    x = 102,246,889,811.77/370,009.33
  6. Step 6: Final answer
    x = 276,335.98

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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.