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Finding the Fourth Proportional to 614,074.07, 916,793.30 and 469,221.82

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Solution

The fourth proportional to 614,074.07, 916,793.30 and 469,221.82 is: 700,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,074.07 : 916,793.30 = 469,221.82 : x
  2. Step 2: Convert to fraction form
    614,074.07/916,793.30 = 469,221.82/x
  3. Step 3: Cross multiply
    614,074.07x = 916,793.30 × 469,221.82
  4. Step 4: Simplify right side
    614,074.07x = 430,179,419,670.88
  5. Step 5: Solve for x
    x = 430,179,419,670.88/614,074.07
  6. Step 6: Final answer
    x = 700,533.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.