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Finding the Fourth Proportional to 334,461.97, 501,479.46 and 220,478.23

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Solution

The fourth proportional to 334,461.97, 501,479.46 and 220,478.23 is: 330,576.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,461.97 : 501,479.46 = 220,478.23 : x
  2. Step 2: Convert to fraction form
    334,461.97/501,479.46 = 220,478.23/x
  3. Step 3: Cross multiply
    334,461.97x = 501,479.46 × 220,478.23
  4. Step 4: Simplify right side
    334,461.97x = 110,565,301,214.76
  5. Step 5: Solve for x
    x = 110,565,301,214.76/334,461.97
  6. Step 6: Final answer
    x = 330,576.61

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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.