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Finding the Fourth Proportional to 348,606, 523,130.21 and 148,927.89

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Solution

The fourth proportional to 348,606, 523,130.21 and 148,927.89 is: 223,486.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,606 : 523,130.21 = 148,927.89 : x
  2. Step 2: Convert to fraction form
    348,606/523,130.21 = 148,927.89/x
  3. Step 3: Cross multiply
    348,606x = 523,130.21 × 148,927.89
  4. Step 4: Simplify right side
    348,606x = 77,908,678,370.56
  5. Step 5: Solve for x
    x = 77,908,678,370.56/348,606
  6. Step 6: Final answer
    x = 223,486.34

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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.