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Finding the Fourth Proportional to 343,803.66, 474,457.23 and 192,911.82

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Solution

The fourth proportional to 343,803.66, 474,457.23 and 192,911.82 is: 266,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,803.66 : 474,457.23 = 192,911.82 : x
  2. Step 2: Convert to fraction form
    343,803.66/474,457.23 = 192,911.82/x
  3. Step 3: Cross multiply
    343,803.66x = 474,457.23 × 192,911.82
  4. Step 4: Simplify right side
    343,803.66x = 91,528,407,751.46
  5. Step 5: Solve for x
    x = 91,528,407,751.46/343,803.66
  6. Step 6: Final answer
    x = 266,222.90

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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.