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Finding the Fourth Proportional to 677,226.72, 934,383.60 and 533,540.72

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Solution

The fourth proportional to 677,226.72, 934,383.60 and 533,540.72 is: 736,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,226.72 : 934,383.60 = 533,540.72 : x
  2. Step 2: Convert to fraction form
    677,226.72/934,383.60 = 533,540.72/x
  3. Step 3: Cross multiply
    677,226.72x = 934,383.60 × 533,540.72
  4. Step 4: Simplify right side
    677,226.72x = 498,531,698,700.19
  5. Step 5: Solve for x
    x = 498,531,698,700.19/677,226.72
  6. Step 6: Final answer
    x = 736,137.08

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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.