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Finding the Fourth Proportional to 659,799.55, 910,498.56 and 373,325.83

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Solution

The fourth proportional to 659,799.55, 910,498.56 and 373,325.83 is: 515,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,799.55 : 910,498.56 = 373,325.83 : x
  2. Step 2: Convert to fraction form
    659,799.55/910,498.56 = 373,325.83/x
  3. Step 3: Cross multiply
    659,799.55x = 910,498.56 × 373,325.83
  4. Step 4: Simplify right side
    659,799.55x = 339,912,630,625.81
  5. Step 5: Solve for x
    x = 339,912,630,625.81/659,799.55
  6. Step 6: Final answer
    x = 515,175.60

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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.