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Finding the Fourth Proportional to 430,314.52, 593,818.02 and 239,323.78

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Solution

The fourth proportional to 430,314.52, 593,818.02 and 239,323.78 is: 330,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,314.52 : 593,818.02 = 239,323.78 : x
  2. Step 2: Convert to fraction form
    430,314.52/593,818.02 = 239,323.78/x
  3. Step 3: Cross multiply
    430,314.52x = 593,818.02 × 239,323.78
  4. Step 4: Simplify right side
    430,314.52x = 142,114,773,178.52
  5. Step 5: Solve for x
    x = 142,114,773,178.52/430,314.52
  6. Step 6: Final answer
    x = 330,257.91

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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.