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Finding the Fourth Proportional to 368,600.52, 508,685.08 and 207,466

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Solution

The fourth proportional to 368,600.52, 508,685.08 and 207,466 is: 286,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,600.52 : 508,685.08 = 207,466 : x
  2. Step 2: Convert to fraction form
    368,600.52/508,685.08 = 207,466/x
  3. Step 3: Cross multiply
    368,600.52x = 508,685.08 × 207,466
  4. Step 4: Simplify right side
    368,600.52x = 105,534,858,807.28
  5. Step 5: Solve for x
    x = 105,534,858,807.28/368,600.52
  6. Step 6: Final answer
    x = 286,312.29

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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.