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Finding the Fourth Proportional to 374,706.74, 517,063.90 and 211,354.22

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Solution

The fourth proportional to 374,706.74, 517,063.90 and 211,354.22 is: 291,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,706.74 : 517,063.90 = 211,354.22 : x
  2. Step 2: Convert to fraction form
    374,706.74/517,063.90 = 211,354.22/x
  3. Step 3: Cross multiply
    374,706.74x = 517,063.90 × 211,354.22
  4. Step 4: Simplify right side
    374,706.74x = 109,283,634,160.95
  5. Step 5: Solve for x
    x = 109,283,634,160.95/374,706.74
  6. Step 6: Final answer
    x = 291,651.11

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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.