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Finding the Fourth Proportional to 676,254.96, 933,220.44 and 374,442.48

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Solution

The fourth proportional to 676,254.96, 933,220.44 and 374,442.48 is: 516,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,254.96 : 933,220.44 = 374,442.48 : x
  2. Step 2: Convert to fraction form
    676,254.96/933,220.44 = 374,442.48/x
  3. Step 3: Cross multiply
    676,254.96x = 933,220.44 × 374,442.48
  4. Step 4: Simplify right side
    676,254.96x = 349,437,375,940.29
  5. Step 5: Solve for x
    x = 349,437,375,940.29/676,254.96
  6. Step 6: Final answer
    x = 516,724.31

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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.