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Finding the Fourth Proportional to 446,354.78, 615,967.62 and 242,404.10

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Solution

The fourth proportional to 446,354.78, 615,967.62 and 242,404.10 is: 334,516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,354.78 : 615,967.62 = 242,404.10 : x
  2. Step 2: Convert to fraction form
    446,354.78/615,967.62 = 242,404.10/x
  3. Step 3: Cross multiply
    446,354.78x = 615,967.62 × 242,404.10
  4. Step 4: Simplify right side
    446,354.78x = 149,313,076,555.24
  5. Step 5: Solve for x
    x = 149,313,076,555.24/446,354.78
  6. Step 6: Final answer
    x = 334,516.58

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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.