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Finding the Fourth Proportional to 676,650.76, 933,808.42 and 374,825.32

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Solution

The fourth proportional to 676,650.76, 933,808.42 and 374,825.32 is: 517,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,650.76 : 933,808.42 = 374,825.32 : x
  2. Step 2: Convert to fraction form
    676,650.76/933,808.42 = 374,825.32/x
  3. Step 3: Cross multiply
    676,650.76x = 933,808.42 × 374,825.32
  4. Step 4: Simplify right side
    676,650.76x = 350,015,039,845.19
  5. Step 5: Solve for x
    x = 350,015,039,845.19/676,650.76
  6. Step 6: Final answer
    x = 517,275.77

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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.