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Finding the Fourth Proportional to 560,686.43, 841,158.44 and 161,330.51

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Solution

The fourth proportional to 560,686.43, 841,158.44 and 161,330.51 is: 242,032.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,686.43 : 841,158.44 = 161,330.51 : x
  2. Step 2: Convert to fraction form
    560,686.43/841,158.44 = 161,330.51/x
  3. Step 3: Cross multiply
    560,686.43x = 841,158.44 × 161,330.51
  4. Step 4: Simplify right side
    560,686.43x = 135,704,520,116.00
  5. Step 5: Solve for x
    x = 135,704,520,116.00/560,686.43
  6. Step 6: Final answer
    x = 242,032.82

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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.