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Finding the Fourth Proportional to 437,637.72, 656,567.28 and 122,094.48

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Solution

The fourth proportional to 437,637.72, 656,567.28 and 122,094.48 is: 183,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,637.72 : 656,567.28 = 122,094.48 : x
  2. Step 2: Convert to fraction form
    437,637.72/656,567.28 = 122,094.48/x
  3. Step 3: Cross multiply
    437,637.72x = 656,567.28 × 122,094.48
  4. Step 4: Simplify right side
    437,637.72x = 80,163,240,636.61
  5. Step 5: Solve for x
    x = 80,163,240,636.61/437,637.72
  6. Step 6: Final answer
    x = 183,172.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.