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Finding the Fourth Proportional to 575,970.14, 863,856.76 and 155,147.60

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Solution

The fourth proportional to 575,970.14, 863,856.76 and 155,147.60 is: 232,694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,970.14 : 863,856.76 = 155,147.60 : x
  2. Step 2: Convert to fraction form
    575,970.14/863,856.76 = 155,147.60/x
  3. Step 3: Cross multiply
    575,970.14x = 863,856.76 × 155,147.60
  4. Step 4: Simplify right side
    575,970.14x = 134,025,303,057.78
  5. Step 5: Solve for x
    x = 134,025,303,057.78/575,970.14
  6. Step 6: Final answer
    x = 232,694.88

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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.