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Finding the Fourth Proportional to 348,567.57, 477,890.62 and 342,269.01

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Solution

The fourth proportional to 348,567.57, 477,890.62 and 342,269.01 is: 469,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,567.57 : 477,890.62 = 342,269.01 : x
  2. Step 2: Convert to fraction form
    348,567.57/477,890.62 = 342,269.01/x
  3. Step 3: Cross multiply
    348,567.57x = 477,890.62 × 342,269.01
  4. Step 4: Simplify right side
    348,567.57x = 163,567,148,540.01
  5. Step 5: Solve for x
    x = 163,567,148,540.01/348,567.57
  6. Step 6: Final answer
    x = 469,255.21

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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.