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Finding the Fourth Proportional to 368,291.27, 507,953.22 and 252,073.62

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Solution

The fourth proportional to 368,291.27, 507,953.22 and 252,073.62 is: 347,663.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,291.27 : 507,953.22 = 252,073.62 : x
  2. Step 2: Convert to fraction form
    368,291.27/507,953.22 = 252,073.62/x
  3. Step 3: Cross multiply
    368,291.27x = 507,953.22 × 252,073.62
  4. Step 4: Simplify right side
    368,291.27x = 128,041,606,956.06
  5. Step 5: Solve for x
    x = 128,041,606,956.06/368,291.27
  6. Step 6: Final answer
    x = 347,663.98

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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.