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Finding the Fourth Proportional to 532,775.78, 735,241.41 and 291,073.98

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Solution

The fourth proportional to 532,775.78, 735,241.41 and 291,073.98 is: 401,688.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,775.78 : 735,241.41 = 291,073.98 : x
  2. Step 2: Convert to fraction form
    532,775.78/735,241.41 = 291,073.98/x
  3. Step 3: Cross multiply
    532,775.78x = 735,241.41 × 291,073.98
  4. Step 4: Simplify right side
    532,775.78x = 214,009,643,469.51
  5. Step 5: Solve for x
    x = 214,009,643,469.51/532,775.78
  6. Step 6: Final answer
    x = 401,688.01

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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.