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Finding the Fourth Proportional to 561,569.01, 774,953.73 and 306,922.02

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Solution

The fourth proportional to 561,569.01, 774,953.73 and 306,922.02 is: 423,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,569.01 : 774,953.73 = 306,922.02 : x
  2. Step 2: Convert to fraction form
    561,569.01/774,953.73 = 306,922.02/x
  3. Step 3: Cross multiply
    561,569.01x = 774,953.73 × 306,922.02
  4. Step 4: Simplify right side
    561,569.01x = 237,850,364,218.14
  5. Step 5: Solve for x
    x = 237,850,364,218.14/561,569.01
  6. Step 6: Final answer
    x = 423,546.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.