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Finding the Fourth Proportional to 533,495.48, 736,213.41 and 291,777.30

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Solution

The fourth proportional to 533,495.48, 736,213.41 and 291,777.30 is: 402,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,495.48 : 736,213.41 = 291,777.30 : x
  2. Step 2: Convert to fraction form
    533,495.48/736,213.41 = 291,777.30/x
  3. Step 3: Cross multiply
    533,495.48x = 736,213.41 × 291,777.30
  4. Step 4: Simplify right side
    533,495.48x = 214,810,360,993.59
  5. Step 5: Solve for x
    x = 214,810,360,993.59/533,495.48
  6. Step 6: Final answer
    x = 402,647.02

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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.