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Finding the Fourth Proportional to 453,392.99, 625,682.30 and 249,439.51

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Solution

The fourth proportional to 453,392.99, 625,682.30 and 249,439.51 is: 344,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,392.99 : 625,682.30 = 249,439.51 : x
  2. Step 2: Convert to fraction form
    453,392.99/625,682.30 = 249,439.51/x
  3. Step 3: Cross multiply
    453,392.99x = 625,682.30 × 249,439.51
  4. Step 4: Simplify right side
    453,392.99x = 156,069,883,516.27
  5. Step 5: Solve for x
    x = 156,069,883,516.27/453,392.99
  6. Step 6: Final answer
    x = 344,226.51

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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.