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Finding the Fourth Proportional to 343,275.50, 473,735.17 and 190,303.96

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Solution

The fourth proportional to 343,275.50, 473,735.17 and 190,303.96 is: 262,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,275.50 : 473,735.17 = 190,303.96 : x
  2. Step 2: Convert to fraction form
    343,275.50/473,735.17 = 190,303.96/x
  3. Step 3: Cross multiply
    343,275.50x = 473,735.17 × 190,303.96
  4. Step 4: Simplify right side
    343,275.50x = 90,153,678,842.27
  5. Step 5: Solve for x
    x = 90,153,678,842.27/343,275.50
  6. Step 6: Final answer
    x = 262,627.77

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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.