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Finding the Fourth Proportional to 447,909.52, 671,888.76 and 181,630.48

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Solution

The fourth proportional to 447,909.52, 671,888.76 and 181,630.48 is: 272,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,909.52 : 671,888.76 = 181,630.48 : x
  2. Step 2: Convert to fraction form
    447,909.52/671,888.76 = 181,630.48/x
  3. Step 3: Cross multiply
    447,909.52x = 671,888.76 × 181,630.48
  4. Step 4: Simplify right side
    447,909.52x = 122,035,477,985.41
  5. Step 5: Solve for x
    x = 122,035,477,985.41/447,909.52
  6. Step 6: Final answer
    x = 272,455.65

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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.