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Finding the Fourth Proportional to 266,051.60, 399,077.40 and 160,816.40

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Solution

The fourth proportional to 266,051.60, 399,077.40 and 160,816.40 is: 241,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,051.60 : 399,077.40 = 160,816.40 : x
  2. Step 2: Convert to fraction form
    266,051.60/399,077.40 = 160,816.40/x
  3. Step 3: Cross multiply
    266,051.60x = 399,077.40 × 160,816.40
  4. Step 4: Simplify right side
    266,051.60x = 64,178,190,789.36
  5. Step 5: Solve for x
    x = 64,178,190,789.36/266,051.60
  6. Step 6: Final answer
    x = 241,224.60

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1.5x scale

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.