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Finding the Fourth Proportional to 653,279.37, 901,550.81 and 362,912.93

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Solution

The fourth proportional to 653,279.37, 901,550.81 and 362,912.93 is: 500,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,279.37 : 901,550.81 = 362,912.93 : x
  2. Step 2: Convert to fraction form
    653,279.37/901,550.81 = 362,912.93/x
  3. Step 3: Cross multiply
    653,279.37x = 901,550.81 × 362,912.93
  4. Step 4: Simplify right side
    653,279.37x = 327,184,441,493.22
  5. Step 5: Solve for x
    x = 327,184,441,493.22/653,279.37
  6. Step 6: Final answer
    x = 500,833.88

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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.