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Finding the Fourth Proportional to 450,587.61, 621,807.84 and 259,596.90

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Solution

The fourth proportional to 450,587.61, 621,807.84 and 259,596.90 is: 358,241.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,587.61 : 621,807.84 = 259,596.90 : x
  2. Step 2: Convert to fraction form
    450,587.61/621,807.84 = 259,596.90/x
  3. Step 3: Cross multiply
    450,587.61x = 621,807.84 × 259,596.90
  4. Step 4: Simplify right side
    450,587.61x = 161,419,387,659.70
  5. Step 5: Solve for x
    x = 161,419,387,659.70/450,587.61
  6. Step 6: Final answer
    x = 358,241.96

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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.