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Finding the Fourth Proportional to 342,963, 473,241.56 and 189,963.23

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Solution

The fourth proportional to 342,963, 473,241.56 and 189,963.23 is: 262,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,963 : 473,241.56 = 189,963.23 : x
  2. Step 2: Convert to fraction form
    342,963/473,241.56 = 189,963.23/x
  3. Step 3: Cross multiply
    342,963x = 473,241.56 × 189,963.23
  4. Step 4: Simplify right side
    342,963x = 89,898,491,991.81
  5. Step 5: Solve for x
    x = 89,898,491,991.81/342,963
  6. Step 6: Final answer
    x = 262,123.00

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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.