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Finding the Fourth Proportional to 400,610.69, 552,842.91 and 219,334.35

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Solution

The fourth proportional to 400,610.69, 552,842.91 and 219,334.35 is: 302,681.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,610.69 : 552,842.91 = 219,334.35 : x
  2. Step 2: Convert to fraction form
    400,610.69/552,842.91 = 219,334.35/x
  3. Step 3: Cross multiply
    400,610.69x = 552,842.91 × 219,334.35
  4. Step 4: Simplify right side
    400,610.69x = 121,257,440,316.96
  5. Step 5: Solve for x
    x = 121,257,440,316.96/400,610.69
  6. Step 6: Final answer
    x = 302,681.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.