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Finding the Fourth Proportional to 373,142.86, 514,937.32 and 211,998.18

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Solution

The fourth proportional to 373,142.86, 514,937.32 and 211,998.18 is: 292,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,142.86 : 514,937.32 = 211,998.18 : x
  2. Step 2: Convert to fraction form
    373,142.86/514,937.32 = 211,998.18/x
  3. Step 3: Cross multiply
    373,142.86x = 514,937.32 × 211,998.18
  4. Step 4: Simplify right side
    373,142.86x = 109,165,774,654.08
  5. Step 5: Solve for x
    x = 109,165,774,654.08/373,142.86
  6. Step 6: Final answer
    x = 292,557.59

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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.