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Finding the Fourth Proportional to 502,068.16, 692,821.11 and 298,108.54

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Solution

The fourth proportional to 502,068.16, 692,821.11 and 298,108.54 is: 411,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,068.16 : 692,821.11 = 298,108.54 : x
  2. Step 2: Convert to fraction form
    502,068.16/692,821.11 = 298,108.54/x
  3. Step 3: Cross multiply
    502,068.16x = 692,821.11 × 298,108.54
  4. Step 4: Simplify right side
    502,068.16x = 206,535,889,583.28
  5. Step 5: Solve for x
    x = 206,535,889,583.28/502,068.16
  6. Step 6: Final answer
    x = 411,370.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.