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Finding the Fourth Proportional to 700,278.60, 965,222.70 and 496,067.40

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Solution

The fourth proportional to 700,278.60, 965,222.70 and 496,067.40 is: 683,750.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,278.60 : 965,222.70 = 496,067.40 : x
  2. Step 2: Convert to fraction form
    700,278.60/965,222.70 = 496,067.40/x
  3. Step 3: Cross multiply
    700,278.60x = 965,222.70 × 496,067.40
  4. Step 4: Simplify right side
    700,278.60x = 478,815,515,209.98
  5. Step 5: Solve for x
    x = 478,815,515,209.98/700,278.60
  6. Step 6: Final answer
    x = 683,750.03

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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.