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Finding the Fourth Proportional to 445,711.82, 615,078.70 and 241,762.23

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Solution

The fourth proportional to 445,711.82, 615,078.70 and 241,762.23 is: 333,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,711.82 : 615,078.70 = 241,762.23 : x
  2. Step 2: Convert to fraction form
    445,711.82/615,078.70 = 241,762.23/x
  3. Step 3: Cross multiply
    445,711.82x = 615,078.70 × 241,762.23
  4. Step 4: Simplify right side
    445,711.82x = 148,702,798,137.50
  5. Step 5: Solve for x
    x = 148,702,798,137.50/445,711.82
  6. Step 6: Final answer
    x = 333,629.92

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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.