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Finding the Fourth Proportional to 342,528.39, 473,140.98 and 262,939.41

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Solution

The fourth proportional to 342,528.39, 473,140.98 and 262,939.41 is: 363,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,528.39 : 473,140.98 = 262,939.41 : x
  2. Step 2: Convert to fraction form
    342,528.39/473,140.98 = 262,939.41/x
  3. Step 3: Cross multiply
    342,528.39x = 473,140.98 × 262,939.41
  4. Step 4: Simplify right side
    342,528.39x = 124,407,410,128.02
  5. Step 5: Solve for x
    x = 124,407,410,128.02/342,528.39
  6. Step 6: Final answer
    x = 363,203.21

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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.