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Finding the Fourth Proportional to 447,953.10, 671,670.45 and 167,498.70

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Solution

The fourth proportional to 447,953.10, 671,670.45 and 167,498.70 is: 251,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,953.10 : 671,670.45 = 167,498.70 : x
  2. Step 2: Convert to fraction form
    447,953.10/671,670.45 = 167,498.70/x
  3. Step 3: Cross multiply
    447,953.10x = 671,670.45 × 167,498.70
  4. Step 4: Simplify right side
    447,953.10x = 112,503,927,203.42
  5. Step 5: Solve for x
    x = 112,503,927,203.42/447,953.10
  6. Step 6: Final answer
    x = 251,151.13

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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.