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Finding the Fourth Proportional to 676,279.96, 933,254.94 and 374,467.48

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Solution

The fourth proportional to 676,279.96, 933,254.94 and 374,467.48 is: 516,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,279.96 : 933,254.94 = 374,467.48 : x
  2. Step 2: Convert to fraction form
    676,279.96/933,254.94 = 374,467.48/x
  3. Step 3: Cross multiply
    676,279.96x = 933,254.94 × 374,467.48
  4. Step 4: Simplify right side
    676,279.96x = 349,473,625,579.35
  5. Step 5: Solve for x
    x = 349,473,625,579.35/676,279.96
  6. Step 6: Final answer
    x = 516,758.81

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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.