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Finding the Fourth Proportional to 519,167.76, 716,316.12 and 304,192.32

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Solution

The fourth proportional to 519,167.76, 716,316.12 and 304,192.32 is: 419,706.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,167.76 : 716,316.12 = 304,192.32 : x
  2. Step 2: Convert to fraction form
    519,167.76/716,316.12 = 304,192.32/x
  3. Step 3: Cross multiply
    519,167.76x = 716,316.12 × 304,192.32
  4. Step 4: Simplify right side
    519,167.76x = 217,897,862,396.20
  5. Step 5: Solve for x
    x = 217,897,862,396.20/519,167.76
  6. Step 6: Final answer
    x = 419,706.07

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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.