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Finding the Fourth Proportional to 445,998.08, 615,477.66 and 242,048.94

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Solution

The fourth proportional to 445,998.08, 615,477.66 and 242,048.94 is: 334,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,998.08 : 615,477.66 = 242,048.94 : x
  2. Step 2: Convert to fraction form
    445,998.08/615,477.66 = 242,048.94/x
  3. Step 3: Cross multiply
    445,998.08x = 615,477.66 × 242,048.94
  4. Step 4: Simplify right side
    445,998.08x = 148,975,715,196.68
  5. Step 5: Solve for x
    x = 148,975,715,196.68/445,998.08
  6. Step 6: Final answer
    x = 334,027.71

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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.