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Finding the Fourth Proportional to 303,653.20, 455,479.80 and 93,301.60

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Solution

The fourth proportional to 303,653.20, 455,479.80 and 93,301.60 is: 139,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,653.20 : 455,479.80 = 93,301.60 : x
  2. Step 2: Convert to fraction form
    303,653.20/455,479.80 = 93,301.60/x
  3. Step 3: Cross multiply
    303,653.20x = 455,479.80 × 93,301.60
  4. Step 4: Simplify right side
    303,653.20x = 42,496,994,107.68
  5. Step 5: Solve for x
    x = 42,496,994,107.68/303,653.20
  6. Step 6: Final answer
    x = 139,952.40

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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.