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Finding the Fourth Proportional to 430,305.67, 593,818.53 and 236,709.21

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Solution

The fourth proportional to 430,305.67, 593,818.53 and 236,709.21 is: 326,656.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,305.67 : 593,818.53 = 236,709.21 : x
  2. Step 2: Convert to fraction form
    430,305.67/593,818.53 = 236,709.21/x
  3. Step 3: Cross multiply
    430,305.67x = 593,818.53 × 236,709.21
  4. Step 4: Simplify right side
    430,305.67x = 140,562,312,150.57
  5. Step 5: Solve for x
    x = 140,562,312,150.57/430,305.67
  6. Step 6: Final answer
    x = 326,656.89

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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.