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Finding the Fourth Proportional to 348,606.50, 523,130.96 and 148,928.39

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Solution

The fourth proportional to 348,606.50, 523,130.96 and 148,928.39 is: 223,487.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,606.50 : 523,130.96 = 148,928.39 : x
  2. Step 2: Convert to fraction form
    348,606.50/523,130.96 = 148,928.39/x
  3. Step 3: Cross multiply
    348,606.50x = 523,130.96 × 148,928.39
  4. Step 4: Simplify right side
    348,606.50x = 77,909,051,631.95
  5. Step 5: Solve for x
    x = 77,909,051,631.95/348,606.50
  6. Step 6: Final answer
    x = 223,487.09

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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.