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Finding the Fourth Proportional to 657,958.30, 984,969.15 and 579,226.30

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Solution

The fourth proportional to 657,958.30, 984,969.15 and 579,226.30 is: 867,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,958.30 : 984,969.15 = 579,226.30 : x
  2. Step 2: Convert to fraction form
    657,958.30/984,969.15 = 579,226.30/x
  3. Step 3: Cross multiply
    657,958.30x = 984,969.15 × 579,226.30
  4. Step 4: Simplify right side
    657,958.30x = 570,520,036,368.65
  5. Step 5: Solve for x
    x = 570,520,036,368.65/657,958.30
  6. Step 6: Final answer
    x = 867,106.68

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1.5x scale

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.