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Finding the Fourth Proportional to 676,310.96, 933,297.60 and 374,498.48

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Solution

The fourth proportional to 676,310.96, 933,297.60 and 374,498.48 is: 516,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,310.96 : 933,297.60 = 374,498.48 : x
  2. Step 2: Convert to fraction form
    676,310.96/933,297.60 = 374,498.48/x
  3. Step 3: Cross multiply
    676,310.96x = 933,297.60 × 374,498.48
  4. Step 4: Simplify right side
    676,310.96x = 349,518,532,587.65
  5. Step 5: Solve for x
    x = 349,518,532,587.65/676,310.96
  6. Step 6: Final answer
    x = 516,801.52

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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.