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Finding the Fourth Proportional to 376,957.56, 520,194.72 and 207,191.64

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Solution

The fourth proportional to 376,957.56, 520,194.72 and 207,191.64 is: 285,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,957.56 : 520,194.72 = 207,191.64 : x
  2. Step 2: Convert to fraction form
    376,957.56/520,194.72 = 207,191.64/x
  3. Step 3: Cross multiply
    376,957.56x = 520,194.72 × 207,191.64
  4. Step 4: Simplify right side
    376,957.56x = 107,779,997,156.14
  5. Step 5: Solve for x
    x = 107,779,997,156.14/376,957.56
  6. Step 6: Final answer
    x = 285,920.77

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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.