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Finding the Fourth Proportional to 556,093.18, 838,057.12 and 502,845.76

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Solution

The fourth proportional to 556,093.18, 838,057.12 and 502,845.76 is: 757,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,093.18 : 838,057.12 = 502,845.76 : x
  2. Step 2: Convert to fraction form
    556,093.18/838,057.12 = 502,845.76/x
  3. Step 3: Cross multiply
    556,093.18x = 838,057.12 × 502,845.76
  4. Step 4: Simplify right side
    556,093.18x = 421,413,469,429.81
  5. Step 5: Solve for x
    x = 421,413,469,429.81/556,093.18
  6. Step 6: Final answer
    x = 757,810.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.