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Finding the Fourth Proportional to 445,709.32, 615,075.25 and 241,759.73

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Solution

The fourth proportional to 445,709.32, 615,075.25 and 241,759.73 is: 333,626.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,709.32 : 615,075.25 = 241,759.73 : x
  2. Step 2: Convert to fraction form
    445,709.32/615,075.25 = 241,759.73/x
  3. Step 3: Cross multiply
    445,709.32x = 615,075.25 × 241,759.73
  4. Step 4: Simplify right side
    445,709.32x = 148,700,426,369.68
  5. Step 5: Solve for x
    x = 148,700,426,369.68/445,709.32
  6. Step 6: Final answer
    x = 333,626.47

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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.