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Finding the Fourth Proportional to 616,560.90, 923,529.15 and 511,584.90

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Solution

The fourth proportional to 616,560.90, 923,529.15 and 511,584.90 is: 766,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,560.90 : 923,529.15 = 511,584.90 : x
  2. Step 2: Convert to fraction form
    616,560.90/923,529.15 = 511,584.90/x
  3. Step 3: Cross multiply
    616,560.90x = 923,529.15 × 511,584.90
  4. Step 4: Simplify right side
    616,560.90x = 472,463,567,849.84
  5. Step 5: Solve for x
    x = 472,463,567,849.84/616,560.90
  6. Step 6: Final answer
    x = 766,288.57

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1.5x scale

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.