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Finding the Fourth Proportional to 665,064.62, 997,560.01 and 591,031.94

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Solution

The fourth proportional to 665,064.62, 997,560.01 and 591,031.94 is: 886,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,064.62 : 997,560.01 = 591,031.94 : x
  2. Step 2: Convert to fraction form
    665,064.62/997,560.01 = 591,031.94/x
  3. Step 3: Cross multiply
    665,064.62x = 997,560.01 × 591,031.94
  4. Step 4: Simplify right side
    665,064.62x = 589,589,823,727.71
  5. Step 5: Solve for x
    x = 589,589,823,727.71/665,064.62
  6. Step 6: Final answer
    x = 886,515.10

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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.