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Finding the Fourth Proportional to 335,353.64, 503,029.92 and 86,035.64

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Solution

The fourth proportional to 335,353.64, 503,029.92 and 86,035.64 is: 129,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,353.64 : 503,029.92 = 86,035.64 : x
  2. Step 2: Convert to fraction form
    335,353.64/503,029.92 = 86,035.64/x
  3. Step 3: Cross multiply
    335,353.64x = 503,029.92 × 86,035.64
  4. Step 4: Simplify right side
    335,353.64x = 43,278,501,106.35
  5. Step 5: Solve for x
    x = 43,278,501,106.35/335,353.64
  6. Step 6: Final answer
    x = 129,053.32

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1.5x scale

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.