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Finding the Fourth Proportional to 553,641.69, 829,937.66 and 179,402.25

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Solution

The fourth proportional to 553,641.69, 829,937.66 and 179,402.25 is: 268,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,641.69 : 829,937.66 = 179,402.25 : x
  2. Step 2: Convert to fraction form
    553,641.69/829,937.66 = 179,402.25/x
  3. Step 3: Cross multiply
    553,641.69x = 829,937.66 × 179,402.25
  4. Step 4: Simplify right side
    553,641.69x = 148,892,682,666.72
  5. Step 5: Solve for x
    x = 148,892,682,666.72/553,641.69
  6. Step 6: Final answer
    x = 268,933.29

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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.