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Finding the Fourth Proportional to 676,179.64, 933,190.50 and 374,373.64

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Solution

The fourth proportional to 676,179.64, 933,190.50 and 374,373.64 is: 516,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,179.64 : 933,190.50 = 374,373.64 : x
  2. Step 2: Convert to fraction form
    676,179.64/933,190.50 = 374,373.64/x
  3. Step 3: Cross multiply
    676,179.64x = 933,190.50 × 374,373.64
  4. Step 4: Simplify right side
    676,179.64x = 349,361,924,298.42
  5. Step 5: Solve for x
    x = 349,361,924,298.42/676,179.64
  6. Step 6: Final answer
    x = 516,670.28

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Double scale
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Similar ratio
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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.