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Finding the Fourth Proportional to 560,684.53, 841,155.58 and 161,328.61

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Solution

The fourth proportional to 560,684.53, 841,155.58 and 161,328.61 is: 242,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,684.53 : 841,155.58 = 161,328.61 : x
  2. Step 2: Convert to fraction form
    560,684.53/841,155.58 = 161,328.61/x
  3. Step 3: Cross multiply
    560,684.53x = 841,155.58 × 161,328.61
  4. Step 4: Simplify right side
    560,684.53x = 135,702,455,906.04
  5. Step 5: Solve for x
    x = 135,702,455,906.04/560,684.53
  6. Step 6: Final answer
    x = 242,029.96

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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.