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Finding the Fourth Proportional to 363,030.28, 500,908.34 and 212,098.12

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Solution

The fourth proportional to 363,030.28, 500,908.34 and 212,098.12 is: 292,652.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,030.28 : 500,908.34 = 212,098.12 : x
  2. Step 2: Convert to fraction form
    363,030.28/500,908.34 = 212,098.12/x
  3. Step 3: Cross multiply
    363,030.28x = 500,908.34 × 212,098.12
  4. Step 4: Simplify right side
    363,030.28x = 106,241,717,206.32
  5. Step 5: Solve for x
    x = 106,241,717,206.32/363,030.28
  6. Step 6: Final answer
    x = 292,652.50

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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.