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Finding the Fourth Proportional to 437,259.54, 603,419.42 and 253,533.72

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Solution

The fourth proportional to 437,259.54, 603,419.42 and 253,533.72 is: 349,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,259.54 : 603,419.42 = 253,533.72 : x
  2. Step 2: Convert to fraction form
    437,259.54/603,419.42 = 253,533.72/x
  3. Step 3: Cross multiply
    437,259.54x = 603,419.42 × 253,533.72
  4. Step 4: Simplify right side
    437,259.54x = 152,987,170,272.84
  5. Step 5: Solve for x
    x = 152,987,170,272.84/437,259.54
  6. Step 6: Final answer
    x = 349,877.26

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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.