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Finding the Fourth Proportional to 604,011.25, 906,016.88 and 160,779.25

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Solution

The fourth proportional to 604,011.25, 906,016.88 and 160,779.25 is: 241,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,011.25 : 906,016.88 = 160,779.25 : x
  2. Step 2: Convert to fraction form
    604,011.25/906,016.88 = 160,779.25/x
  3. Step 3: Cross multiply
    604,011.25x = 906,016.88 × 160,779.25
  4. Step 4: Simplify right side
    604,011.25x = 145,668,714,453.74
  5. Step 5: Solve for x
    x = 145,668,714,453.74/604,011.25
  6. Step 6: Final answer
    x = 241,168.88

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Double scale
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Similar ratio
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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.