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Finding the Fourth Proportional to 329,430.02, 454,662.18 and 208,582.52

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Solution

The fourth proportional to 329,430.02, 454,662.18 and 208,582.52 is: 287,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,430.02 : 454,662.18 = 208,582.52 : x
  2. Step 2: Convert to fraction form
    329,430.02/454,662.18 = 208,582.52/x
  3. Step 3: Cross multiply
    329,430.02x = 454,662.18 × 208,582.52
  4. Step 4: Simplify right side
    329,430.02x = 94,834,580,979.78
  5. Step 5: Solve for x
    x = 94,834,580,979.78/329,430.02
  6. Step 6: Final answer
    x = 287,874.74

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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.