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Finding the Fourth Proportional to 556,133.80, 834,200.70 and 346,181.80

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Solution

The fourth proportional to 556,133.80, 834,200.70 and 346,181.80 is: 519,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,133.80 : 834,200.70 = 346,181.80 : x
  2. Step 2: Convert to fraction form
    556,133.80/834,200.70 = 346,181.80/x
  3. Step 3: Cross multiply
    556,133.80x = 834,200.70 × 346,181.80
  4. Step 4: Simplify right side
    556,133.80x = 288,785,099,887.26
  5. Step 5: Solve for x
    x = 288,785,099,887.26/556,133.80
  6. Step 6: Final answer
    x = 519,272.70

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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.