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Finding the Fourth Proportional to 450,160.74, 621,378.27 and 259,250.22

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Solution

The fourth proportional to 450,160.74, 621,378.27 and 259,250.22 is: 357,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,160.74 : 621,378.27 = 259,250.22 : x
  2. Step 2: Convert to fraction form
    450,160.74/621,378.27 = 259,250.22/x
  3. Step 3: Cross multiply
    450,160.74x = 621,378.27 × 259,250.22
  4. Step 4: Simplify right side
    450,160.74x = 161,092,453,200.72
  5. Step 5: Solve for x
    x = 161,092,453,200.72/450,160.74
  6. Step 6: Final answer
    x = 357,855.40

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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.