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Finding the Fourth Proportional to 578,487.30, 867,730.95 and 152,022.30

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Solution

The fourth proportional to 578,487.30, 867,730.95 and 152,022.30 is: 228,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,487.30 : 867,730.95 = 152,022.30 : x
  2. Step 2: Convert to fraction form
    578,487.30/867,730.95 = 152,022.30/x
  3. Step 3: Cross multiply
    578,487.30x = 867,730.95 × 152,022.30
  4. Step 4: Simplify right side
    578,487.30x = 131,914,454,800.19
  5. Step 5: Solve for x
    x = 131,914,454,800.19/578,487.30
  6. Step 6: Final answer
    x = 228,033.45

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Similar ratio
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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.