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Finding the Fourth Proportional to 430,519.12, 594,107.12 and 249,238.72

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Solution

The fourth proportional to 430,519.12, 594,107.12 and 249,238.72 is: 343,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,519.12 : 594,107.12 = 249,238.72 : x
  2. Step 2: Convert to fraction form
    430,519.12/594,107.12 = 249,238.72/x
  3. Step 3: Cross multiply
    430,519.12x = 594,107.12 × 249,238.72
  4. Step 4: Simplify right side
    430,519.12x = 148,074,498,131.69
  5. Step 5: Solve for x
    x = 148,074,498,131.69/430,519.12
  6. Step 6: Final answer
    x = 343,944.07

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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.