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Finding the Fourth Proportional to 556,093.70, 834,140.55 and 486,109.70

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Solution

The fourth proportional to 556,093.70, 834,140.55 and 486,109.70 is: 729,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,093.70 : 834,140.55 = 486,109.70 : x
  2. Step 2: Convert to fraction form
    556,093.70/834,140.55 = 486,109.70/x
  3. Step 3: Cross multiply
    556,093.70x = 834,140.55 × 486,109.70
  4. Step 4: Simplify right side
    556,093.70x = 405,483,812,518.34
  5. Step 5: Solve for x
    x = 405,483,812,518.34/556,093.70
  6. Step 6: Final answer
    x = 729,164.55

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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.