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Finding the Fourth Proportional to 536,612.70, 804,919.05 and 162,587.10

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Solution

The fourth proportional to 536,612.70, 804,919.05 and 162,587.10 is: 243,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,612.70 : 804,919.05 = 162,587.10 : x
  2. Step 2: Convert to fraction form
    536,612.70/804,919.05 = 162,587.10/x
  3. Step 3: Cross multiply
    536,612.70x = 804,919.05 × 162,587.10
  4. Step 4: Simplify right side
    536,612.70x = 130,869,454,074.26
  5. Step 5: Solve for x
    x = 130,869,454,074.26/536,612.70
  6. Step 6: Final answer
    x = 243,880.65

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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.