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Finding the Fourth Proportional to 676,279.56, 933,265.74 and 374,473.56

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Solution

The fourth proportional to 676,279.56, 933,265.74 and 374,473.56 is: 516,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,279.56 : 933,265.74 = 374,473.56 : x
  2. Step 2: Convert to fraction form
    676,279.56/933,265.74 = 374,473.56/x
  3. Step 3: Cross multiply
    676,279.56x = 933,265.74 × 374,473.56
  4. Step 4: Simplify right side
    676,279.56x = 349,483,344,083.83
  5. Step 5: Solve for x
    x = 349,483,344,083.83/676,279.56
  6. Step 6: Final answer
    x = 516,773.48

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Double scale
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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.