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Finding the Fourth Proportional to 1,410, 2,114.97 and 473.01

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Solution

The fourth proportional to 1,410, 2,114.97 and 473.01 is: 709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410 : 2,114.97 = 473.01 : x
  2. Step 2: Convert to fraction form
    1,410/2,114.97 = 473.01/x
  3. Step 3: Cross multiply
    1,410x = 2,114.97 × 473.01
  4. Step 4: Simplify right side
    1,410x = 1,000,401.96
  5. Step 5: Solve for x
    x = 1,000,401.96/1,410
  6. Step 6: Final answer
    x = 709.50

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Double scale
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Similar ratio
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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.