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Finding the Fourth Proportional to 368,733.80, 508,901.17 and 207,620.24

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Solution

The fourth proportional to 368,733.80, 508,901.17 and 207,620.24 is: 286,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,733.80 : 508,901.17 = 207,620.24 : x
  2. Step 2: Convert to fraction form
    368,733.80/508,901.17 = 207,620.24/x
  3. Step 3: Cross multiply
    368,733.80x = 508,901.17 × 207,620.24
  4. Step 4: Simplify right side
    368,733.80x = 105,658,184,671.27
  5. Step 5: Solve for x
    x = 105,658,184,671.27/368,733.80
  6. Step 6: Final answer
    x = 286,543.26

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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.