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Finding the Fourth Proportional to 534,431.99, 801,721.80 and 179,547.50

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Solution

The fourth proportional to 534,431.99, 801,721.80 and 179,547.50 is: 269,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,431.99 : 801,721.80 = 179,547.50 : x
  2. Step 2: Convert to fraction form
    534,431.99/801,721.80 = 179,547.50/x
  3. Step 3: Cross multiply
    534,431.99x = 801,721.80 × 179,547.50
  4. Step 4: Simplify right side
    534,431.99x = 143,947,146,889.81
  5. Step 5: Solve for x
    x = 143,947,146,889.81/534,431.99
  6. Step 6: Final answer
    x = 269,346.05

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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.