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Finding the Fourth Proportional to 676,654, 933,782.60 and 374,867.44

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Solution

The fourth proportional to 676,654, 933,782.60 and 374,867.44 is: 517,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,654 : 933,782.60 = 374,867.44 : x
  2. Step 2: Convert to fraction form
    676,654/933,782.60 = 374,867.44/x
  3. Step 3: Cross multiply
    676,654x = 933,782.60 × 374,867.44
  4. Step 4: Simplify right side
    676,654x = 350,044,692,778.54
  5. Step 5: Solve for x
    x = 350,044,692,778.54/676,654
  6. Step 6: Final answer
    x = 517,317.11

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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.