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Finding the Fourth Proportional to 445,975.17, 615,446.14 and 242,026.13

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Solution

The fourth proportional to 445,975.17, 615,446.14 and 242,026.13 is: 333,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,975.17 : 615,446.14 = 242,026.13 : x
  2. Step 2: Convert to fraction form
    445,975.17/615,446.14 = 242,026.13/x
  3. Step 3: Cross multiply
    445,975.17x = 615,446.14 × 242,026.13
  4. Step 4: Simplify right side
    445,975.17x = 148,954,047,487.64
  5. Step 5: Solve for x
    x = 148,954,047,487.64/445,975.17
  6. Step 6: Final answer
    x = 333,996.28

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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.