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Finding the Fourth Proportional to 873,687.90, 1,205,226.88 and 601,282.86

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Solution

The fourth proportional to 873,687.90, 1,205,226.88 and 601,282.86 is: 829,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,687.90 : 1,205,226.88 = 601,282.86 : x
  2. Step 2: Convert to fraction form
    873,687.90/1,205,226.88 = 601,282.86/x
  3. Step 3: Cross multiply
    873,687.90x = 1,205,226.88 × 601,282.86
  4. Step 4: Simplify right side
    873,687.90x = 724,682,265,355.28
  5. Step 5: Solve for x
    x = 724,682,265,355.28/873,687.90
  6. Step 6: Final answer
    x = 829,452.10

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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.