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Finding the Fourth Proportional to 446,326.32, 615,913.41 and 242,372.88

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Solution

The fourth proportional to 446,326.32, 615,913.41 and 242,372.88 is: 334,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,326.32 : 615,913.41 = 242,372.88 : x
  2. Step 2: Convert to fraction form
    446,326.32/615,913.41 = 242,372.88/x
  3. Step 3: Cross multiply
    446,326.32x = 615,913.41 × 242,372.88
  4. Step 4: Simplify right side
    446,326.32x = 149,280,707,012.32
  5. Step 5: Solve for x
    x = 149,280,707,012.32/446,326.32
  6. Step 6: Final answer
    x = 334,465.39

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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.