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Finding the Fourth Proportional to 430,073.82, 593,478.63 and 239,073.66

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Solution

The fourth proportional to 430,073.82, 593,478.63 and 239,073.66 is: 329,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,073.82 : 593,478.63 = 239,073.66 : x
  2. Step 2: Convert to fraction form
    430,073.82/593,478.63 = 239,073.66/x
  3. Step 3: Cross multiply
    430,073.82x = 593,478.63 × 239,073.66
  4. Step 4: Simplify right side
    430,073.82x = 141,885,108,205.89
  5. Step 5: Solve for x
    x = 141,885,108,205.89/430,073.82
  6. Step 6: Final answer
    x = 329,908.73

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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.