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Finding the Fourth Proportional to 430,847.70, 646,271.55 and 244,223.70

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Solution

The fourth proportional to 430,847.70, 646,271.55 and 244,223.70 is: 366,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,847.70 : 646,271.55 = 244,223.70 : x
  2. Step 2: Convert to fraction form
    430,847.70/646,271.55 = 244,223.70/x
  3. Step 3: Cross multiply
    430,847.70x = 646,271.55 × 244,223.70
  4. Step 4: Simplify right side
    430,847.70x = 157,834,829,145.74
  5. Step 5: Solve for x
    x = 157,834,829,145.74/430,847.70
  6. Step 6: Final answer
    x = 366,335.55

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Similar ratio
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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.