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Finding the Fourth Proportional to 979,216.80, 1,467,658.80 and 410,596.80

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Solution

The fourth proportional to 979,216.80, 1,467,658.80 and 410,596.80 is: 615,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,216.80 : 1,467,658.80 = 410,596.80 : x
  2. Step 2: Convert to fraction form
    979,216.80/1,467,658.80 = 410,596.80/x
  3. Step 3: Cross multiply
    979,216.80x = 1,467,658.80 × 410,596.80
  4. Step 4: Simplify right side
    979,216.80x = 602,616,006,771.84
  5. Step 5: Solve for x
    x = 602,616,006,771.84/979,216.80
  6. Step 6: Final answer
    x = 615,406.12

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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.