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Finding the Fourth Proportional to 562,888.26, 776,770.74 and 321,166.44

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Solution

The fourth proportional to 562,888.26, 776,770.74 and 321,166.44 is: 443,201.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,888.26 : 776,770.74 = 321,166.44 : x
  2. Step 2: Convert to fraction form
    562,888.26/776,770.74 = 321,166.44/x
  3. Step 3: Cross multiply
    562,888.26x = 776,770.74 × 321,166.44
  4. Step 4: Simplify right side
    562,888.26x = 249,472,693,261.97
  5. Step 5: Solve for x
    x = 249,472,693,261.97/562,888.26
  6. Step 6: Final answer
    x = 443,201.10

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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.