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Finding the Fourth Proportional to 560,810.79, 841,090.43 and 161,362.53

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Solution

The fourth proportional to 560,810.79, 841,090.43 and 161,362.53 is: 242,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,810.79 : 841,090.43 = 161,362.53 : x
  2. Step 2: Convert to fraction form
    560,810.79/841,090.43 = 161,362.53/x
  3. Step 3: Cross multiply
    560,810.79x = 841,090.43 × 161,362.53
  4. Step 4: Simplify right side
    560,810.79x = 135,720,480,146.99
  5. Step 5: Solve for x
    x = 135,720,480,146.99/560,810.79
  6. Step 6: Final answer
    x = 242,007.61

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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.