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Finding the Fourth Proportional to 357,637.79, 493,587.39 and 230,682.44

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Solution

The fourth proportional to 357,637.79, 493,587.39 and 230,682.44 is: 318,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,637.79 : 493,587.39 = 230,682.44 : x
  2. Step 2: Convert to fraction form
    357,637.79/493,587.39 = 230,682.44/x
  3. Step 3: Cross multiply
    357,637.79x = 493,587.39 × 230,682.44
  4. Step 4: Simplify right side
    357,637.79x = 113,861,941,010.50
  5. Step 5: Solve for x
    x = 113,861,941,010.50/357,637.79
  6. Step 6: Final answer
    x = 318,372.24

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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.