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Finding the Fourth Proportional to 529,959.40, 794,939.10 and 175,028.20

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Solution

The fourth proportional to 529,959.40, 794,939.10 and 175,028.20 is: 262,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,959.40 : 794,939.10 = 175,028.20 : x
  2. Step 2: Convert to fraction form
    529,959.40/794,939.10 = 175,028.20/x
  3. Step 3: Cross multiply
    529,959.40x = 794,939.10 × 175,028.20
  4. Step 4: Simplify right side
    529,959.40x = 139,136,759,782.62
  5. Step 5: Solve for x
    x = 139,136,759,782.62/529,959.40
  6. Step 6: Final answer
    x = 262,542.30

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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.