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Finding the Fourth Proportional to 552,659.51, 828,989.22 and 153,300.30

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Solution

The fourth proportional to 552,659.51, 828,989.22 and 153,300.30 is: 229,950.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,659.51 : 828,989.22 = 153,300.30 : x
  2. Step 2: Convert to fraction form
    552,659.51/828,989.22 = 153,300.30/x
  3. Step 3: Cross multiply
    552,659.51x = 828,989.22 × 153,300.30
  4. Step 4: Simplify right side
    552,659.51x = 127,084,296,122.77
  5. Step 5: Solve for x
    x = 127,084,296,122.77/552,659.51
  6. Step 6: Final answer
    x = 229,950.44

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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.