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Finding the Fourth Proportional to 527,953.68, 791,962.92 and 212,410.32

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Solution

The fourth proportional to 527,953.68, 791,962.92 and 212,410.32 is: 318,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,953.68 : 791,962.92 = 212,410.32 : x
  2. Step 2: Convert to fraction form
    527,953.68/791,962.92 = 212,410.32/x
  3. Step 3: Cross multiply
    527,953.68x = 791,962.92 × 212,410.32
  4. Step 4: Simplify right side
    527,953.68x = 168,221,097,265.33
  5. Step 5: Solve for x
    x = 168,221,097,265.33/527,953.68
  6. Step 6: Final answer
    x = 318,628.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.