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Finding the Fourth Proportional to 605,129.40, 907,694.10 and 184,426.20

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Solution

The fourth proportional to 605,129.40, 907,694.10 and 184,426.20 is: 276,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,129.40 : 907,694.10 = 184,426.20 : x
  2. Step 2: Convert to fraction form
    605,129.40/907,694.10 = 184,426.20/x
  3. Step 3: Cross multiply
    605,129.40x = 907,694.10 × 184,426.20
  4. Step 4: Simplify right side
    605,129.40x = 167,402,573,625.42
  5. Step 5: Solve for x
    x = 167,402,573,625.42/605,129.40
  6. Step 6: Final answer
    x = 276,639.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.