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Finding the Fourth Proportional to 484,867.32, 727,415.44 and 152,443.32

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Solution

The fourth proportional to 484,867.32, 727,415.44 and 152,443.32 is: 228,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,867.32 : 727,415.44 = 152,443.32 : x
  2. Step 2: Convert to fraction form
    484,867.32/727,415.44 = 152,443.32/x
  3. Step 3: Cross multiply
    484,867.32x = 727,415.44 × 152,443.32
  4. Step 4: Simplify right side
    484,867.32x = 110,889,624,692.86
  5. Step 5: Solve for x
    x = 110,889,624,692.86/484,867.32
  6. Step 6: Final answer
    x = 228,700.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.