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Finding the Fourth Proportional to 229,263.70, 343,895.55 and 213,711.70

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Solution

The fourth proportional to 229,263.70, 343,895.55 and 213,711.70 is: 320,567.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,263.70 : 343,895.55 = 213,711.70 : x
  2. Step 2: Convert to fraction form
    229,263.70/343,895.55 = 213,711.70/x
  3. Step 3: Cross multiply
    229,263.70x = 343,895.55 × 213,711.70
  4. Step 4: Simplify right side
    229,263.70x = 73,494,502,612.94
  5. Step 5: Solve for x
    x = 73,494,502,612.94/229,263.70
  6. Step 6: Final answer
    x = 320,567.55

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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.