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Finding the Fourth Proportional to 450,443.39, 621,611.82 and 246,494.34

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Solution

The fourth proportional to 450,443.39, 621,611.82 and 246,494.34 is: 340,162.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,443.39 : 621,611.82 = 246,494.34 : x
  2. Step 2: Convert to fraction form
    450,443.39/621,611.82 = 246,494.34/x
  3. Step 3: Cross multiply
    450,443.39x = 621,611.82 × 246,494.34
  4. Step 4: Simplify right side
    450,443.39x = 153,223,795,307.10
  5. Step 5: Solve for x
    x = 153,223,795,307.10/450,443.39
  6. Step 6: Final answer
    x = 340,162.16

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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.