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Finding the Fourth Proportional to 653,602.71, 901,993.62 and 363,226.51

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Solution

The fourth proportional to 653,602.71, 901,993.62 and 363,226.51 is: 501,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,602.71 : 901,993.62 = 363,226.51 : x
  2. Step 2: Convert to fraction form
    653,602.71/901,993.62 = 363,226.51/x
  3. Step 3: Cross multiply
    653,602.71x = 901,993.62 × 363,226.51
  4. Step 4: Simplify right side
    653,602.71x = 327,627,994,634.87
  5. Step 5: Solve for x
    x = 327,627,994,634.87/653,602.71
  6. Step 6: Final answer
    x = 501,264.74

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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.