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Finding the Fourth Proportional to 656,803.35, 985,594.14 and 277,703.37

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Solution

The fourth proportional to 656,803.35, 985,594.14 and 277,703.37 is: 416,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,803.35 : 985,594.14 = 277,703.37 : x
  2. Step 2: Convert to fraction form
    656,803.35/985,594.14 = 277,703.37/x
  3. Step 3: Cross multiply
    656,803.35x = 985,594.14 × 277,703.37
  4. Step 4: Simplify right side
    656,803.35x = 273,702,814,130.25
  5. Step 5: Solve for x
    x = 273,702,814,130.25/656,803.35
  6. Step 6: Final answer
    x = 416,719.58

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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.