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Finding the Fourth Proportional to 430,287.84, 593,813.52 and 239,314.92

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Solution

The fourth proportional to 430,287.84, 593,813.52 and 239,314.92 is: 330,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,287.84 : 593,813.52 = 239,314.92 : x
  2. Step 2: Convert to fraction form
    430,287.84/593,813.52 = 239,314.92/x
  3. Step 3: Cross multiply
    430,287.84x = 593,813.52 × 239,314.92
  4. Step 4: Simplify right side
    430,287.84x = 142,108,435,033.72
  5. Step 5: Solve for x
    x = 142,108,435,033.72/430,287.84
  6. Step 6: Final answer
    x = 330,263.66

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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.