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Finding the Fourth Proportional to 555,700.80, 831,177.36 and 463,958.40

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Solution

The fourth proportional to 555,700.80, 831,177.36 and 463,958.40 is: 693,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,700.80 : 831,177.36 = 463,958.40 : x
  2. Step 2: Convert to fraction form
    555,700.80/831,177.36 = 463,958.40/x
  3. Step 3: Cross multiply
    555,700.80x = 831,177.36 × 463,958.40
  4. Step 4: Simplify right side
    555,700.80x = 385,631,718,061.82
  5. Step 5: Solve for x
    x = 385,631,718,061.82/555,700.80
  6. Step 6: Final answer
    x = 693,955.66

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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.