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Finding the Fourth Proportional to 329,830.72, 454,931.75 and 302,694.44

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Solution

The fourth proportional to 329,830.72, 454,931.75 and 302,694.44 is: 417,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,830.72 : 454,931.75 = 302,694.44 : x
  2. Step 2: Convert to fraction form
    329,830.72/454,931.75 = 302,694.44/x
  3. Step 3: Cross multiply
    329,830.72x = 454,931.75 × 302,694.44
  4. Step 4: Simplify right side
    329,830.72x = 137,705,307,516.34
  5. Step 5: Solve for x
    x = 137,705,307,516.34/329,830.72
  6. Step 6: Final answer
    x = 417,502.98

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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.