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Finding the Fourth Proportional to 446,354.48, 615,969.16 and 245,150.48

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Solution

The fourth proportional to 446,354.48, 615,969.16 and 245,150.48 is: 338,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,354.48 : 615,969.16 = 245,150.48 : x
  2. Step 2: Convert to fraction form
    446,354.48/615,969.16 = 245,150.48/x
  3. Step 3: Cross multiply
    446,354.48x = 615,969.16 × 245,150.48
  4. Step 4: Simplify right side
    446,354.48x = 151,005,135,239.20
  5. Step 5: Solve for x
    x = 151,005,135,239.20/446,354.48
  6. Step 6: Final answer
    x = 338,307.65

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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.