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Finding the Fourth Proportional to 647,222.60, 970,574.70 and 226,281.80

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Solution

The fourth proportional to 647,222.60, 970,574.70 and 226,281.80 is: 339,332.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,222.60 : 970,574.70 = 226,281.80 : x
  2. Step 2: Convert to fraction form
    647,222.60/970,574.70 = 226,281.80/x
  3. Step 3: Cross multiply
    647,222.60x = 970,574.70 × 226,281.80
  4. Step 4: Simplify right side
    647,222.60x = 219,623,390,150.46
  5. Step 5: Solve for x
    x = 219,623,390,150.46/647,222.60
  6. Step 6: Final answer
    x = 339,332.08

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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.