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Finding the Fourth Proportional to 450,116.80, 675,250.80 and 134,605.60

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Solution

The fourth proportional to 450,116.80, 675,250.80 and 134,605.60 is: 201,931.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,116.80 : 675,250.80 = 134,605.60 : x
  2. Step 2: Convert to fraction form
    450,116.80/675,250.80 = 134,605.60/x
  3. Step 3: Cross multiply
    450,116.80x = 675,250.80 × 134,605.60
  4. Step 4: Simplify right side
    450,116.80x = 90,892,539,084.48
  5. Step 5: Solve for x
    x = 90,892,539,084.48/450,116.80
  6. Step 6: Final answer
    x = 201,931.01

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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.