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Finding the Fourth Proportional to 450,334.80, 675,502.20 and 183,920.40

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Solution

The fourth proportional to 450,334.80, 675,502.20 and 183,920.40 is: 275,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,334.80 : 675,502.20 = 183,920.40 : x
  2. Step 2: Convert to fraction form
    450,334.80/675,502.20 = 183,920.40/x
  3. Step 3: Cross multiply
    450,334.80x = 675,502.20 × 183,920.40
  4. Step 4: Simplify right side
    450,334.80x = 124,238,634,824.88
  5. Step 5: Solve for x
    x = 124,238,634,824.88/450,334.80
  6. Step 6: Final answer
    x = 275,880.60

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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.