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Finding the Fourth Proportional to 552,659.82, 828,989.69 and 153,300.62

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Solution

The fourth proportional to 552,659.82, 828,989.69 and 153,300.62 is: 229,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,659.82 : 828,989.69 = 153,300.62 : x
  2. Step 2: Convert to fraction form
    552,659.82/828,989.69 = 153,300.62/x
  3. Step 3: Cross multiply
    552,659.82x = 828,989.69 × 153,300.62
  4. Step 4: Simplify right side
    552,659.82x = 127,084,628,539.16
  5. Step 5: Solve for x
    x = 127,084,628,539.16/552,659.82
  6. Step 6: Final answer
    x = 229,950.91

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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.