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Finding the Fourth Proportional to 560,324.17, 840,373.26 and 205,216.93

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Solution

The fourth proportional to 560,324.17, 840,373.26 and 205,216.93 is: 307,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,324.17 : 840,373.26 = 205,216.93 : x
  2. Step 2: Convert to fraction form
    560,324.17/840,373.26 = 205,216.93/x
  3. Step 3: Cross multiply
    560,324.17x = 840,373.26 × 205,216.93
  4. Step 4: Simplify right side
    560,324.17x = 172,458,820,471.29
  5. Step 5: Solve for x
    x = 172,458,820,471.29/560,324.17
  6. Step 6: Final answer
    x = 307,784.01

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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.