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Finding the Fourth Proportional to 343,750.83, 474,381.27 and 190,798.95

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Solution

The fourth proportional to 343,750.83, 474,381.27 and 190,798.95 is: 263,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,750.83 : 474,381.27 = 190,798.95 : x
  2. Step 2: Convert to fraction form
    343,750.83/474,381.27 = 190,798.95/x
  3. Step 3: Cross multiply
    343,750.83x = 474,381.27 × 190,798.95
  4. Step 4: Simplify right side
    343,750.83x = 90,511,448,215.67
  5. Step 5: Solve for x
    x = 90,511,448,215.67/343,750.83
  6. Step 6: Final answer
    x = 263,305.40

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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.