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Finding the Fourth Proportional to 266,409.51, 397,670.85 and 232,778.91

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Solution

The fourth proportional to 266,409.51, 397,670.85 and 232,778.91 is: 347,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,409.51 : 397,670.85 = 232,778.91 : x
  2. Step 2: Convert to fraction form
    266,409.51/397,670.85 = 232,778.91/x
  3. Step 3: Cross multiply
    266,409.51x = 397,670.85 × 232,778.91
  4. Step 4: Simplify right side
    266,409.51x = 92,569,387,001.77
  5. Step 5: Solve for x
    x = 92,569,387,001.77/266,409.51
  6. Step 6: Final answer
    x = 347,470.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.