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Finding the Fourth Proportional to 446,438.16, 615,825.72 and 293,503.68

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Solution

The fourth proportional to 446,438.16, 615,825.72 and 293,503.68 is: 404,864.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,438.16 : 615,825.72 = 293,503.68 : x
  2. Step 2: Convert to fraction form
    446,438.16/615,825.72 = 293,503.68/x
  3. Step 3: Cross multiply
    446,438.16x = 615,825.72 × 293,503.68
  4. Step 4: Simplify right side
    446,438.16x = 180,747,115,058.65
  5. Step 5: Solve for x
    x = 180,747,115,058.65/446,438.16
  6. Step 6: Final answer
    x = 404,864.84

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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.