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Finding the Fourth Proportional to 340,411.22, 469,770.92 and 187,463.63

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Solution

The fourth proportional to 340,411.22, 469,770.92 and 187,463.63 is: 258,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,411.22 : 469,770.92 = 187,463.63 : x
  2. Step 2: Convert to fraction form
    340,411.22/469,770.92 = 187,463.63/x
  3. Step 3: Cross multiply
    340,411.22x = 469,770.92 × 187,463.63
  4. Step 4: Simplify right side
    340,411.22x = 88,064,962,168.75
  5. Step 5: Solve for x
    x = 88,064,962,168.75/340,411.22
  6. Step 6: Final answer
    x = 258,701.70

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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.