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Finding the Fourth Proportional to 430,413.60, 593,957.16 and 239,425.32

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Solution

The fourth proportional to 430,413.60, 593,957.16 and 239,425.32 is: 330,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,413.60 : 593,957.16 = 239,425.32 : x
  2. Step 2: Convert to fraction form
    430,413.60/593,957.16 = 239,425.32/x
  3. Step 3: Cross multiply
    430,413.60x = 593,957.16 × 239,425.32
  4. Step 4: Simplify right side
    430,413.60x = 142,208,383,099.29
  5. Step 5: Solve for x
    x = 142,208,383,099.29/430,413.60
  6. Step 6: Final answer
    x = 330,399.37

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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.