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Finding the Fourth Proportional to 453,853.94, 626,313.26 and 249,900.59

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Solution

The fourth proportional to 453,853.94, 626,313.26 and 249,900.59 is: 344,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,853.94 : 626,313.26 = 249,900.59 : x
  2. Step 2: Convert to fraction form
    453,853.94/626,313.26 = 249,900.59/x
  3. Step 3: Cross multiply
    453,853.94x = 626,313.26 × 249,900.59
  4. Step 4: Simplify right side
    453,853.94x = 156,516,055,389.36
  5. Step 5: Solve for x
    x = 156,516,055,389.36/453,853.94
  6. Step 6: Final answer
    x = 344,859.97

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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.