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Finding the Fourth Proportional to 430,274.16, 593,732.88 and 239,256.72

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Solution

The fourth proportional to 430,274.16, 593,732.88 and 239,256.72 is: 330,148.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,274.16 : 593,732.88 = 239,256.72 : x
  2. Step 2: Convert to fraction form
    430,274.16/593,732.88 = 239,256.72/x
  3. Step 3: Cross multiply
    430,274.16x = 593,732.88 × 239,256.72
  4. Step 4: Simplify right side
    430,274.16x = 142,054,581,424.95
  5. Step 5: Solve for x
    x = 142,054,581,424.95/430,274.16
  6. Step 6: Final answer
    x = 330,148.99

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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.