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Finding the Fourth Proportional to 536,656.70, 804,985.05 and 162,631.10

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Solution

The fourth proportional to 536,656.70, 804,985.05 and 162,631.10 is: 243,946.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,656.70 : 804,985.05 = 162,631.10 : x
  2. Step 2: Convert to fraction form
    536,656.70/804,985.05 = 162,631.10/x
  3. Step 3: Cross multiply
    536,656.70x = 804,985.05 × 162,631.10
  4. Step 4: Simplify right side
    536,656.70x = 130,915,604,165.06
  5. Step 5: Solve for x
    x = 130,915,604,165.06/536,656.70
  6. Step 6: Final answer
    x = 243,946.65

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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.