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Finding the Fourth Proportional to 413,389.44, 570,539.88 and 252,338.40

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Solution

The fourth proportional to 413,389.44, 570,539.88 and 252,338.40 is: 348,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,389.44 : 570,539.88 = 252,338.40 : x
  2. Step 2: Convert to fraction form
    413,389.44/570,539.88 = 252,338.40/x
  3. Step 3: Cross multiply
    413,389.44x = 570,539.88 × 252,338.40
  4. Step 4: Simplify right side
    413,389.44x = 143,969,120,455.39
  5. Step 5: Solve for x
    x = 143,969,120,455.39/413,389.44
  6. Step 6: Final answer
    x = 348,265.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.