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Finding the Fourth Proportional to 567,359.40, 851,039.10 and 346,175.40

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Solution

The fourth proportional to 567,359.40, 851,039.10 and 346,175.40 is: 519,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,359.40 : 851,039.10 = 346,175.40 : x
  2. Step 2: Convert to fraction form
    567,359.40/851,039.10 = 346,175.40/x
  3. Step 3: Cross multiply
    567,359.40x = 851,039.10 × 346,175.40
  4. Step 4: Simplify right side
    567,359.40x = 294,608,800,858.14
  5. Step 5: Solve for x
    x = 294,608,800,858.14/567,359.40
  6. Step 6: Final answer
    x = 519,263.10

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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.