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Finding the Fourth Proportional to 526,833.11, 790,248.50 and 407,064.08

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Solution

The fourth proportional to 526,833.11, 790,248.50 and 407,064.08 is: 610,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,833.11 : 790,248.50 = 407,064.08 : x
  2. Step 2: Convert to fraction form
    526,833.11/790,248.50 = 407,064.08/x
  3. Step 3: Cross multiply
    526,833.11x = 790,248.50 × 407,064.08
  4. Step 4: Simplify right side
    526,833.11x = 321,681,782,380.41
  5. Step 5: Solve for x
    x = 321,681,782,380.41/526,833.11
  6. Step 6: Final answer
    x = 610,595.22

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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.