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Finding the Fourth Proportional to 930,732, 1,284,270.26 and 522,755.69

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Solution

The fourth proportional to 930,732, 1,284,270.26 and 522,755.69 is: 721,324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,732 : 1,284,270.26 = 522,755.69 : x
  2. Step 2: Convert to fraction form
    930,732/1,284,270.26 = 522,755.69/x
  3. Step 3: Cross multiply
    930,732x = 1,284,270.26 × 522,755.69
  4. Step 4: Simplify right side
    930,732x = 671,359,576,877.65
  5. Step 5: Solve for x
    x = 671,359,576,877.65/930,732
  6. Step 6: Final answer
    x = 721,324.27

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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.