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Finding the Fourth Proportional to 444,289.60, 613,135.92 and 253,300.96

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Solution

The fourth proportional to 444,289.60, 613,135.92 and 253,300.96 is: 349,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,289.60 : 613,135.92 = 253,300.96 : x
  2. Step 2: Convert to fraction form
    444,289.60/613,135.92 = 253,300.96/x
  3. Step 3: Cross multiply
    444,289.60x = 613,135.92 × 253,300.96
  4. Step 4: Simplify right side
    444,289.60x = 155,307,917,146.48
  5. Step 5: Solve for x
    x = 155,307,917,146.48/444,289.60
  6. Step 6: Final answer
    x = 349,564.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.