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Finding the Fourth Proportional to 556,166.96, 834,250.44 and 256,558.90

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Solution

The fourth proportional to 556,166.96, 834,250.44 and 256,558.90 is: 384,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,166.96 : 834,250.44 = 256,558.90 : x
  2. Step 2: Convert to fraction form
    556,166.96/834,250.44 = 256,558.90/x
  3. Step 3: Cross multiply
    556,166.96x = 834,250.44 × 256,558.90
  4. Step 4: Simplify right side
    556,166.96x = 214,034,374,208.46
  5. Step 5: Solve for x
    x = 214,034,374,208.46/556,166.96
  6. Step 6: Final answer
    x = 384,838.35

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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.