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Finding the Fourth Proportional to 529,852.53, 731,201.39 and 288,137.39

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Solution

The fourth proportional to 529,852.53, 731,201.39 and 288,137.39 is: 397,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,852.53 : 731,201.39 = 288,137.39 : x
  2. Step 2: Convert to fraction form
    529,852.53/731,201.39 = 288,137.39/x
  3. Step 3: Cross multiply
    529,852.53x = 731,201.39 × 288,137.39
  4. Step 4: Simplify right side
    529,852.53x = 210,686,454,982.28
  5. Step 5: Solve for x
    x = 210,686,454,982.28/529,852.53
  6. Step 6: Final answer
    x = 397,632.25

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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.