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Finding the Fourth Proportional to 446,166.72, 615,712.32 and 255,188.16

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Solution

The fourth proportional to 446,166.72, 615,712.32 and 255,188.16 is: 352,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,166.72 : 615,712.32 = 255,188.16 : x
  2. Step 2: Convert to fraction form
    446,166.72/615,712.32 = 255,188.16/x
  3. Step 3: Cross multiply
    446,166.72x = 615,712.32 × 255,188.16
  4. Step 4: Simplify right side
    446,166.72x = 157,122,494,030.13
  5. Step 5: Solve for x
    x = 157,122,494,030.13/446,166.72
  6. Step 6: Final answer
    x = 352,160.95

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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.