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Finding the Fourth Proportional to 552,658.51, 828,987.72 and 153,299.30

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Solution

The fourth proportional to 552,658.51, 828,987.72 and 153,299.30 is: 229,948.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,658.51 : 828,987.72 = 153,299.30 : x
  2. Step 2: Convert to fraction form
    552,658.51/828,987.72 = 153,299.30/x
  3. Step 3: Cross multiply
    552,658.51x = 828,987.72 × 153,299.30
  4. Step 4: Simplify right side
    552,658.51x = 127,083,237,127.84
  5. Step 5: Solve for x
    x = 127,083,237,127.84/552,658.51
  6. Step 6: Final answer
    x = 229,948.94

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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.