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Finding the Fourth Proportional to 368,585.88, 508,647.98 and 207,442.04

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Solution

The fourth proportional to 368,585.88, 508,647.98 and 207,442.04 is: 286,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,585.88 : 508,647.98 = 207,442.04 : x
  2. Step 2: Convert to fraction form
    368,585.88/508,647.98 = 207,442.04/x
  3. Step 3: Cross multiply
    368,585.88x = 508,647.98 × 207,442.04
  4. Step 4: Simplify right side
    368,585.88x = 105,514,974,613.08
  5. Step 5: Solve for x
    x = 105,514,974,613.08/368,585.88
  6. Step 6: Final answer
    x = 286,269.71

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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.