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Finding the Fourth Proportional to 659,650.37, 910,319.25 and 357,844.37

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Solution

The fourth proportional to 659,650.37, 910,319.25 and 357,844.37 is: 493,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,650.37 : 910,319.25 = 357,844.37 : x
  2. Step 2: Convert to fraction form
    659,650.37/910,319.25 = 357,844.37/x
  3. Step 3: Cross multiply
    659,650.37x = 910,319.25 × 357,844.37
  4. Step 4: Simplify right side
    659,650.37x = 325,752,613,963.53
  5. Step 5: Solve for x
    x = 325,752,613,963.53/659,650.37
  6. Step 6: Final answer
    x = 493,826.17

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1.5x scale

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.