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Finding the Fourth Proportional to 410,392.80, 616,523.35 and 296,890.70

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Solution

The fourth proportional to 410,392.80, 616,523.35 and 296,890.70 is: 446,011.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,392.80 : 616,523.35 = 296,890.70 : x
  2. Step 2: Convert to fraction form
    410,392.80/616,523.35 = 296,890.70/x
  3. Step 3: Cross multiply
    410,392.80x = 616,523.35 × 296,890.70
  4. Step 4: Simplify right side
    410,392.80x = 183,040,047,463.39
  5. Step 5: Solve for x
    x = 183,040,047,463.39/410,392.80
  6. Step 6: Final answer
    x = 446,011.84

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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.