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Finding the Fourth Proportional to 534,266.70, 801,400.05 and 510,647.10

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Solution

The fourth proportional to 534,266.70, 801,400.05 and 510,647.10 is: 765,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,266.70 : 801,400.05 = 510,647.10 : x
  2. Step 2: Convert to fraction form
    534,266.70/801,400.05 = 510,647.10/x
  3. Step 3: Cross multiply
    534,266.70x = 801,400.05 × 510,647.10
  4. Step 4: Simplify right side
    534,266.70x = 409,232,611,472.36
  5. Step 5: Solve for x
    x = 409,232,611,472.36/534,266.70
  6. Step 6: Final answer
    x = 765,970.65

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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.