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Finding the Fourth Proportional to 450,416.40, 675,624.60 and 413,674.80

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Solution

The fourth proportional to 450,416.40, 675,624.60 and 413,674.80 is: 620,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,416.40 : 675,624.60 = 413,674.80 : x
  2. Step 2: Convert to fraction form
    450,416.40/675,624.60 = 413,674.80/x
  3. Step 3: Cross multiply
    450,416.40x = 675,624.60 × 413,674.80
  4. Step 4: Simplify right side
    450,416.40x = 279,488,871,280.08
  5. Step 5: Solve for x
    x = 279,488,871,280.08/450,416.40
  6. Step 6: Final answer
    x = 620,512.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.