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Finding the Fourth Proportional to 301,680.72, 452,711.70 and 168,648.35

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Solution

The fourth proportional to 301,680.72, 452,711.70 and 168,648.35 is: 253,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,680.72 : 452,711.70 = 168,648.35 : x
  2. Step 2: Convert to fraction form
    301,680.72/452,711.70 = 168,648.35/x
  3. Step 3: Cross multiply
    301,680.72x = 452,711.70 × 168,648.35
  4. Step 4: Simplify right side
    301,680.72x = 76,349,078,967.14
  5. Step 5: Solve for x
    x = 76,349,078,967.14/301,680.72
  6. Step 6: Final answer
    x = 253,079.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.