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Finding the Fourth Proportional to 716,141.64, 988,401.78 and 410,233.80

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Solution

The fourth proportional to 716,141.64, 988,401.78 and 410,233.80 is: 566,195.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,141.64 : 988,401.78 = 410,233.80 : x
  2. Step 2: Convert to fraction form
    716,141.64/988,401.78 = 410,233.80/x
  3. Step 3: Cross multiply
    716,141.64x = 988,401.78 × 410,233.80
  4. Step 4: Simplify right side
    716,141.64x = 405,475,818,136.16
  5. Step 5: Solve for x
    x = 405,475,818,136.16/716,141.64
  6. Step 6: Final answer
    x = 566,195.00

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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.