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Finding the Fourth Proportional to 426,417.01, 588,451.53 and 235,431.77

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Solution

The fourth proportional to 426,417.01, 588,451.53 and 235,431.77 is: 324,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,417.01 : 588,451.53 = 235,431.77 : x
  2. Step 2: Convert to fraction form
    426,417.01/588,451.53 = 235,431.77/x
  3. Step 3: Cross multiply
    426,417.01x = 588,451.53 × 235,431.77
  4. Step 4: Simplify right side
    426,417.01x = 138,540,183,207.72
  5. Step 5: Solve for x
    x = 138,540,183,207.72/426,417.01
  6. Step 6: Final answer
    x = 324,893.66

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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.