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Finding the Fourth Proportional to 450,990.56, 622,332.72 and 249,782.24

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Solution

The fourth proportional to 450,990.56, 622,332.72 and 249,782.24 is: 344,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,990.56 : 622,332.72 = 249,782.24 : x
  2. Step 2: Convert to fraction form
    450,990.56/622,332.72 = 249,782.24/x
  3. Step 3: Cross multiply
    450,990.56x = 622,332.72 × 249,782.24
  4. Step 4: Simplify right side
    450,990.56x = 155,447,660,826.89
  5. Step 5: Solve for x
    x = 155,447,660,826.89/450,990.56
  6. Step 6: Final answer
    x = 344,680.52

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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.