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Finding the Fourth Proportional to 447,613.39, 671,427.15 and 249,194.98

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Solution

The fourth proportional to 447,613.39, 671,427.15 and 249,194.98 is: 373,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,613.39 : 671,427.15 = 249,194.98 : x
  2. Step 2: Convert to fraction form
    447,613.39/671,427.15 = 249,194.98/x
  3. Step 3: Cross multiply
    447,613.39x = 671,427.15 × 249,194.98
  4. Step 4: Simplify right side
    447,613.39x = 167,316,275,215.71
  5. Step 5: Solve for x
    x = 167,316,275,215.71/447,613.39
  6. Step 6: Final answer
    x = 373,796.40

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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.