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Finding the Fourth Proportional to 461,630.91, 637,156.94 and 270,705.81

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Solution

The fourth proportional to 461,630.91, 637,156.94 and 270,705.81 is: 373,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,630.91 : 637,156.94 = 270,705.81 : x
  2. Step 2: Convert to fraction form
    461,630.91/637,156.94 = 270,705.81/x
  3. Step 3: Cross multiply
    461,630.91x = 637,156.94 × 270,705.81
  4. Step 4: Simplify right side
    461,630.91x = 172,482,086,575.63
  5. Step 5: Solve for x
    x = 172,482,086,575.63/461,630.91
  6. Step 6: Final answer
    x = 373,636.34

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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.