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Finding the Fourth Proportional to 354,275.84, 531,298.20 and 117,554.96

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Solution

The fourth proportional to 354,275.84, 531,298.20 and 117,554.96 is: 176,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,275.84 : 531,298.20 = 117,554.96 : x
  2. Step 2: Convert to fraction form
    354,275.84/531,298.20 = 117,554.96/x
  3. Step 3: Cross multiply
    354,275.84x = 531,298.20 × 117,554.96
  4. Step 4: Simplify right side
    354,275.84x = 62,456,738,649.07
  5. Step 5: Solve for x
    x = 62,456,738,649.07/354,275.84
  6. Step 6: Final answer
    x = 176,294.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.