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Finding the Fourth Proportional to 348,263.22, 522,591.69 and 148,564.74

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Solution

The fourth proportional to 348,263.22, 522,591.69 and 148,564.74 is: 222,931.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,263.22 : 522,591.69 = 148,564.74 : x
  2. Step 2: Convert to fraction form
    348,263.22/522,591.69 = 148,564.74/x
  3. Step 3: Cross multiply
    348,263.22x = 522,591.69 × 148,564.74
  4. Step 4: Simplify right side
    348,263.22x = 77,638,698,551.01
  5. Step 5: Solve for x
    x = 77,638,698,551.01/348,263.22
  6. Step 6: Final answer
    x = 222,931.09

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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.