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Finding the Fourth Proportional to 440,642.88, 608,037.82 and 249,615.36

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Solution

The fourth proportional to 440,642.88, 608,037.82 and 249,615.36 is: 344,441.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,642.88 : 608,037.82 = 249,615.36 : x
  2. Step 2: Convert to fraction form
    440,642.88/608,037.82 = 249,615.36/x
  3. Step 3: Cross multiply
    440,642.88x = 608,037.82 × 249,615.36
  4. Step 4: Simplify right side
    440,642.88x = 151,775,579,332.92
  5. Step 5: Solve for x
    x = 151,775,579,332.92/440,642.88
  6. Step 6: Final answer
    x = 344,441.24

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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.