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Finding the Fourth Proportional to 430,592.14, 594,209.28 and 239,603.86

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Solution

The fourth proportional to 430,592.14, 594,209.28 and 239,603.86 is: 330,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,592.14 : 594,209.28 = 239,603.86 : x
  2. Step 2: Convert to fraction form
    430,592.14/594,209.28 = 239,603.86/x
  3. Step 3: Cross multiply
    430,592.14x = 594,209.28 × 239,603.86
  4. Step 4: Simplify right side
    430,592.14x = 142,374,837,135.82
  5. Step 5: Solve for x
    x = 142,374,837,135.82/430,592.14
  6. Step 6: Final answer
    x = 330,648.95

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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.