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Finding the Fourth Proportional to 531,525.26, 797,661.50 and 480,706.21

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Solution

The fourth proportional to 531,525.26, 797,661.50 and 480,706.21 is: 721,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,525.26 : 797,661.50 = 480,706.21 : x
  2. Step 2: Convert to fraction form
    531,525.26/797,661.50 = 480,706.21/x
  3. Step 3: Cross multiply
    531,525.26x = 797,661.50 × 480,706.21
  4. Step 4: Simplify right side
    531,525.26x = 383,440,835,121.46
  5. Step 5: Solve for x
    x = 383,440,835,121.46/531,525.26
  6. Step 6: Final answer
    x = 721,397.20

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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.