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Finding the Fourth Proportional to 317,653.64, 476,445.60 and 93,016.31

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Solution

The fourth proportional to 317,653.64, 476,445.60 and 93,016.31 is: 139,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,653.64 : 476,445.60 = 93,016.31 : x
  2. Step 2: Convert to fraction form
    317,653.64/476,445.60 = 93,016.31/x
  3. Step 3: Cross multiply
    317,653.64x = 476,445.60 × 93,016.31
  4. Step 4: Simplify right side
    317,653.64x = 44,317,211,627.74
  5. Step 5: Solve for x
    x = 44,317,211,627.74/317,653.64
  6. Step 6: Final answer
    x = 139,514.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.