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Finding the Fourth Proportional to 693,510.22, 956,773.78 and 435,236.46

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Solution

The fourth proportional to 693,510.22, 956,773.78 and 435,236.46 is: 600,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,510.22 : 956,773.78 = 435,236.46 : x
  2. Step 2: Convert to fraction form
    693,510.22/956,773.78 = 435,236.46/x
  3. Step 3: Cross multiply
    693,510.22x = 956,773.78 × 435,236.46
  4. Step 4: Simplify right side
    693,510.22x = 416,422,833,028.02
  5. Step 5: Solve for x
    x = 416,422,833,028.02/693,510.22
  6. Step 6: Final answer
    x = 600,456.66

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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.