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Finding the Fourth Proportional to 453,253.21, 625,490.69 and 249,325.03

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Solution

The fourth proportional to 453,253.21, 625,490.69 and 249,325.03 is: 344,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,253.21 : 625,490.69 = 249,325.03 : x
  2. Step 2: Convert to fraction form
    453,253.21/625,490.69 = 249,325.03/x
  3. Step 3: Cross multiply
    453,253.21x = 625,490.69 × 249,325.03
  4. Step 4: Simplify right side
    453,253.21x = 155,950,485,048.97
  5. Step 5: Solve for x
    x = 155,950,485,048.97/453,253.21
  6. Step 6: Final answer
    x = 344,069.23

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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.