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Finding the Fourth Proportional to 984,553.76, 1,359,137.76 and 576,598.88

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Solution

The fourth proportional to 984,553.76, 1,359,137.76 and 576,598.88 is: 795,972.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,553.76 : 1,359,137.76 = 576,598.88 : x
  2. Step 2: Convert to fraction form
    984,553.76/1,359,137.76 = 576,598.88/x
  3. Step 3: Cross multiply
    984,553.76x = 1,359,137.76 × 576,598.88
  4. Step 4: Simplify right side
    984,553.76x = 783,677,310,181.71
  5. Step 5: Solve for x
    x = 783,677,310,181.71/984,553.76
  6. Step 6: Final answer
    x = 795,972.09

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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.