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Finding the Fourth Proportional to 553,735.66, 829,397.08 and 363,981.82

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Solution

The fourth proportional to 553,735.66, 829,397.08 and 363,981.82 is: 545,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,735.66 : 829,397.08 = 363,981.82 : x
  2. Step 2: Convert to fraction form
    553,735.66/829,397.08 = 363,981.82/x
  3. Step 3: Cross multiply
    553,735.66x = 829,397.08 × 363,981.82
  4. Step 4: Simplify right side
    553,735.66x = 301,885,458,681.09
  5. Step 5: Solve for x
    x = 301,885,458,681.09/553,735.66
  6. Step 6: Final answer
    x = 545,179.73

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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.