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Finding the Fourth Proportional to 356,924.44, 492,596.88 and 213,684.40

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Solution

The fourth proportional to 356,924.44, 492,596.88 and 213,684.40 is: 294,909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,924.44 : 492,596.88 = 213,684.40 : x
  2. Step 2: Convert to fraction form
    356,924.44/492,596.88 = 213,684.40/x
  3. Step 3: Cross multiply
    356,924.44x = 492,596.88 × 213,684.40
  4. Step 4: Simplify right side
    356,924.44x = 105,260,268,744.67
  5. Step 5: Solve for x
    x = 105,260,268,744.67/356,924.44
  6. Step 6: Final answer
    x = 294,909.11

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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.