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Finding the Fourth Proportional to 348,551.64, 477,868.44 and 342,253.08

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Solution

The fourth proportional to 348,551.64, 477,868.44 and 342,253.08 is: 469,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,551.64 : 477,868.44 = 342,253.08 : x
  2. Step 2: Convert to fraction form
    348,551.64/477,868.44 = 342,253.08/x
  3. Step 3: Cross multiply
    348,551.64x = 477,868.44 × 342,253.08
  4. Step 4: Simplify right side
    348,551.64x = 163,551,945,424.80
  5. Step 5: Solve for x
    x = 163,551,945,424.80/348,551.64
  6. Step 6: Final answer
    x = 469,233.04

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.