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Finding the Fourth Proportional to 368,184.10, 508,090.88 and 207,035.71

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Solution

The fourth proportional to 368,184.10, 508,090.88 and 207,035.71 is: 285,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,184.10 : 508,090.88 = 207,035.71 : x
  2. Step 2: Convert to fraction form
    368,184.10/508,090.88 = 207,035.71/x
  3. Step 3: Cross multiply
    368,184.10x = 508,090.88 × 207,035.71
  4. Step 4: Simplify right side
    368,184.10x = 105,192,957,026.12
  5. Step 5: Solve for x
    x = 105,192,957,026.12/368,184.10
  6. Step 6: Final answer
    x = 285,707.50

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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.