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Finding the Fourth Proportional to 571,350.40, 856,442.40 and 334,571.20

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Solution

The fourth proportional to 571,350.40, 856,442.40 and 334,571.20 is: 501,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,350.40 : 856,442.40 = 334,571.20 : x
  2. Step 2: Convert to fraction form
    571,350.40/856,442.40 = 334,571.20/x
  3. Step 3: Cross multiply
    571,350.40x = 856,442.40 × 334,571.20
  4. Step 4: Simplify right side
    571,350.40x = 286,540,961,498.88
  5. Step 5: Solve for x
    x = 286,540,961,498.88/571,350.40
  6. Step 6: Final answer
    x = 501,515.29

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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.