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Finding the Fourth Proportional to 447,615.92, 671,431.01 and 249,197.51

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Solution

The fourth proportional to 447,615.92, 671,431.01 and 249,197.51 is: 373,800.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,615.92 : 671,431.01 = 249,197.51 : x
  2. Step 2: Convert to fraction form
    447,615.92/671,431.01 = 249,197.51/x
  3. Step 3: Cross multiply
    447,615.92x = 671,431.01 × 249,197.51
  4. Step 4: Simplify right side
    447,615.92x = 167,318,936,261.38
  5. Step 5: Solve for x
    x = 167,318,936,261.38/447,615.92
  6. Step 6: Final answer
    x = 373,800.23

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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.