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Finding the Fourth Proportional to 700,758.91, 965,911.53 and 547,529.86

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Solution

The fourth proportional to 700,758.91, 965,911.53 and 547,529.86 is: 754,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,758.91 : 965,911.53 = 547,529.86 : x
  2. Step 2: Convert to fraction form
    700,758.91/965,911.53 = 547,529.86/x
  3. Step 3: Cross multiply
    700,758.91x = 965,911.53 × 547,529.86
  4. Step 4: Simplify right side
    700,758.91x = 528,865,404,793.29
  5. Step 5: Solve for x
    x = 528,865,404,793.29/700,758.91
  6. Step 6: Final answer
    x = 754,703.79

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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.