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Finding the Fourth Proportional to 656,585.70, 984,878.55 and 562,107.30

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Solution

The fourth proportional to 656,585.70, 984,878.55 and 562,107.30 is: 843,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,585.70 : 984,878.55 = 562,107.30 : x
  2. Step 2: Convert to fraction form
    656,585.70/984,878.55 = 562,107.30/x
  3. Step 3: Cross multiply
    656,585.70x = 984,878.55 × 562,107.30
  4. Step 4: Simplify right side
    656,585.70x = 553,607,422,568.42
  5. Step 5: Solve for x
    x = 553,607,422,568.42/656,585.70
  6. Step 6: Final answer
    x = 843,160.95

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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.