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Finding the Fourth Proportional to 552,646.48, 828,969.65 and 153,287.25

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Solution

The fourth proportional to 552,646.48, 828,969.65 and 153,287.25 is: 229,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,646.48 : 828,969.65 = 153,287.25 : x
  2. Step 2: Convert to fraction form
    552,646.48/828,969.65 = 153,287.25/x
  3. Step 3: Cross multiply
    552,646.48x = 828,969.65 × 153,287.25
  4. Step 4: Simplify right side
    552,646.48x = 127,070,477,215.53
  5. Step 5: Solve for x
    x = 127,070,477,215.53/552,646.48
  6. Step 6: Final answer
    x = 229,930.85

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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.