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Finding the Fourth Proportional to 446,310.65, 615,907.98 and 245,106.65

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Solution

The fourth proportional to 446,310.65, 615,907.98 and 245,106.65 is: 338,246.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,310.65 : 615,907.98 = 245,106.65 : x
  2. Step 2: Convert to fraction form
    446,310.65/615,907.98 = 245,106.65/x
  3. Step 3: Cross multiply
    446,310.65x = 615,907.98 × 245,106.65
  4. Step 4: Simplify right side
    446,310.65x = 150,963,141,686.07
  5. Step 5: Solve for x
    x = 150,963,141,686.07/446,310.65
  6. Step 6: Final answer
    x = 338,246.78

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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.