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Finding the Fourth Proportional to 246,647.98, 340,374.66 and 133,470.76

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Solution

The fourth proportional to 246,647.98, 340,374.66 and 133,470.76 is: 184,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,647.98 : 340,374.66 = 133,470.76 : x
  2. Step 2: Convert to fraction form
    246,647.98/340,374.66 = 133,470.76/x
  3. Step 3: Cross multiply
    246,647.98x = 340,374.66 × 133,470.76
  4. Step 4: Simplify right side
    246,647.98x = 45,430,064,554.94
  5. Step 5: Solve for x
    x = 45,430,064,554.94/246,647.98
  6. Step 6: Final answer
    x = 184,189.89

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1.5x scale

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.