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Finding the Fourth Proportional to 446,308.80, 615,904.12 and 242,358.08

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Solution

The fourth proportional to 446,308.80, 615,904.12 and 242,358.08 is: 334,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,308.80 : 615,904.12 = 242,358.08 : x
  2. Step 2: Convert to fraction form
    446,308.80/615,904.12 = 242,358.08/x
  3. Step 3: Cross multiply
    446,308.80x = 615,904.12 × 242,358.08
  4. Step 4: Simplify right side
    446,308.80x = 149,269,339,987.29
  5. Step 5: Solve for x
    x = 149,269,339,987.29/446,308.80
  6. Step 6: Final answer
    x = 334,453.05

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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.