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Finding the Fourth Proportional to 445,409.52, 614,690.28 and 264,228.72

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Solution

The fourth proportional to 445,409.52, 614,690.28 and 264,228.72 is: 364,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,409.52 : 614,690.28 = 264,228.72 : x
  2. Step 2: Convert to fraction form
    445,409.52/614,690.28 = 264,228.72/x
  3. Step 3: Cross multiply
    445,409.52x = 614,690.28 × 264,228.72
  4. Step 4: Simplify right side
    445,409.52x = 162,418,825,880.84
  5. Step 5: Solve for x
    x = 162,418,825,880.84/445,409.52
  6. Step 6: Final answer
    x = 364,650.55

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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.