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Finding the Fourth Proportional to 343,585.94, 474,132.60 and 190,622.50

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Solution

The fourth proportional to 343,585.94, 474,132.60 and 190,622.50 is: 263,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,585.94 : 474,132.60 = 190,622.50 : x
  2. Step 2: Convert to fraction form
    343,585.94/474,132.60 = 190,622.50/x
  3. Step 3: Cross multiply
    343,585.94x = 474,132.60 × 190,622.50
  4. Step 4: Simplify right side
    343,585.94x = 90,380,341,543.50
  5. Step 5: Solve for x
    x = 90,380,341,543.50/343,585.94
  6. Step 6: Final answer
    x = 263,050.17

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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.