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Finding the Fourth Proportional to 560,684.65, 841,155.77 and 161,328.73

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Solution

The fourth proportional to 560,684.65, 841,155.77 and 161,328.73 is: 242,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,684.65 : 841,155.77 = 161,328.73 : x
  2. Step 2: Convert to fraction form
    560,684.65/841,155.77 = 161,328.73/x
  3. Step 3: Cross multiply
    560,684.65x = 841,155.77 × 161,328.73
  4. Step 4: Simplify right side
    560,684.65x = 135,702,591,299.63
  5. Step 5: Solve for x
    x = 135,702,591,299.63/560,684.65
  6. Step 6: Final answer
    x = 242,030.15

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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.