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Finding the Fourth Proportional to 343,052.63, 473,405.56 and 190,089.48

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Solution

The fourth proportional to 343,052.63, 473,405.56 and 190,089.48 is: 262,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,052.63 : 473,405.56 = 190,089.48 : x
  2. Step 2: Convert to fraction form
    343,052.63/473,405.56 = 190,089.48/x
  3. Step 3: Cross multiply
    343,052.63x = 473,405.56 × 190,089.48
  4. Step 4: Simplify right side
    343,052.63x = 89,989,419,098.81
  5. Step 5: Solve for x
    x = 89,989,419,098.81/343,052.63
  6. Step 6: Final answer
    x = 262,319.57

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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.