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Finding the Fourth Proportional to 446,093.64, 615,592.64 and 242,140.20

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Solution

The fourth proportional to 446,093.64, 615,592.64 and 242,140.20 is: 334,144.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,093.64 : 615,592.64 = 242,140.20 : x
  2. Step 2: Convert to fraction form
    446,093.64/615,592.64 = 242,140.20/x
  3. Step 3: Cross multiply
    446,093.64x = 615,592.64 × 242,140.20
  4. Step 4: Simplify right side
    446,093.64x = 149,059,724,968.13
  5. Step 5: Solve for x
    x = 149,059,724,968.13/446,093.64
  6. Step 6: Final answer
    x = 334,144.47

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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.