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Finding the Fourth Proportional to 603,659.60, 905,489.40 and 594,328.40

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Solution

The fourth proportional to 603,659.60, 905,489.40 and 594,328.40 is: 891,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,659.60 : 905,489.40 = 594,328.40 : x
  2. Step 2: Convert to fraction form
    603,659.60/905,489.40 = 594,328.40/x
  3. Step 3: Cross multiply
    603,659.60x = 905,489.40 × 594,328.40
  4. Step 4: Simplify right side
    603,659.60x = 538,158,066,318.96
  5. Step 5: Solve for x
    x = 538,158,066,318.96/603,659.60
  6. Step 6: Final answer
    x = 891,492.60

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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.