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Finding the Fourth Proportional to 556,964.60, 835,446.90 and 346,494.20

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Solution

The fourth proportional to 556,964.60, 835,446.90 and 346,494.20 is: 519,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,964.60 : 835,446.90 = 346,494.20 : x
  2. Step 2: Convert to fraction form
    556,964.60/835,446.90 = 346,494.20/x
  3. Step 3: Cross multiply
    556,964.60x = 835,446.90 × 346,494.20
  4. Step 4: Simplify right side
    556,964.60x = 289,477,505,257.98
  5. Step 5: Solve for x
    x = 289,477,505,257.98/556,964.60
  6. Step 6: Final answer
    x = 519,741.30

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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.