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Finding the Fourth Proportional to 447,602.13, 671,410.30 and 249,183.66

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Solution

The fourth proportional to 447,602.13, 671,410.30 and 249,183.66 is: 373,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,602.13 : 671,410.30 = 249,183.66 : x
  2. Step 2: Convert to fraction form
    447,602.13/671,410.30 = 249,183.66/x
  3. Step 3: Cross multiply
    447,602.13x = 671,410.30 × 249,183.66
  4. Step 4: Simplify right side
    447,602.13x = 167,304,473,181.61
  5. Step 5: Solve for x
    x = 167,304,473,181.61/447,602.13
  6. Step 6: Final answer
    x = 373,779.44

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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.