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Finding the Fourth Proportional to 538,914.30, 808,663.05 and 223,403.10

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Solution

The fourth proportional to 538,914.30, 808,663.05 and 223,403.10 is: 335,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,914.30 : 808,663.05 = 223,403.10 : x
  2. Step 2: Convert to fraction form
    538,914.30/808,663.05 = 223,403.10/x
  3. Step 3: Cross multiply
    538,914.30x = 808,663.05 × 223,403.10
  4. Step 4: Simplify right side
    538,914.30x = 180,657,832,225.46
  5. Step 5: Solve for x
    x = 180,657,832,225.46/538,914.30
  6. Step 6: Final answer
    x = 335,225.53

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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.