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Finding the Fourth Proportional to 446,405.04, 616,145.13 and 255,528.54

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Solution

The fourth proportional to 446,405.04, 616,145.13 and 255,528.54 is: 352,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,405.04 : 616,145.13 = 255,528.54 : x
  2. Step 2: Convert to fraction form
    446,405.04/616,145.13 = 255,528.54/x
  3. Step 3: Cross multiply
    446,405.04x = 616,145.13 × 255,528.54
  4. Step 4: Simplify right side
    446,405.04x = 157,442,665,497.01
  5. Step 5: Solve for x
    x = 157,442,665,497.01/446,405.04
  6. Step 6: Final answer
    x = 352,690.16

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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.