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Finding the Fourth Proportional to 417,628.00, 576,028.77 and 383,283.39

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Solution

The fourth proportional to 417,628.00, 576,028.77 and 383,283.39 is: 528,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,628.00 : 576,028.77 = 383,283.39 : x
  2. Step 2: Convert to fraction form
    417,628.00/576,028.77 = 383,283.39/x
  3. Step 3: Cross multiply
    417,628.00x = 576,028.77 × 383,283.39
  4. Step 4: Simplify right side
    417,628.00x = 220,782,260,425.93
  5. Step 5: Solve for x
    x = 220,782,260,425.93/417,628.00
  6. Step 6: Final answer
    x = 528,657.70

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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.