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Finding the Fourth Proportional to 436,370.14, 601,849.15 and 298,630.63

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Solution

The fourth proportional to 436,370.14, 601,849.15 and 298,630.63 is: 411,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,370.14 : 601,849.15 = 298,630.63 : x
  2. Step 2: Convert to fraction form
    436,370.14/601,849.15 = 298,630.63/x
  3. Step 3: Cross multiply
    436,370.14x = 601,849.15 × 298,630.63
  4. Step 4: Simplify right side
    436,370.14x = 179,730,590,829.47
  5. Step 5: Solve for x
    x = 179,730,590,829.47/436,370.14
  6. Step 6: Final answer
    x = 411,876.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.