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Finding the Fourth Proportional to 368,595.26, 508,677.82 and 207,460.74

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Solution

The fourth proportional to 368,595.26, 508,677.82 and 207,460.74 is: 286,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,595.26 : 508,677.82 = 207,460.74 : x
  2. Step 2: Convert to fraction form
    368,595.26/508,677.82 = 207,460.74/x
  3. Step 3: Cross multiply
    368,595.26x = 508,677.82 × 207,460.74
  4. Step 4: Simplify right side
    368,595.26x = 105,530,679,514.64
  5. Step 5: Solve for x
    x = 105,530,679,514.64/368,595.26
  6. Step 6: Final answer
    x = 286,305.04

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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.