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Finding the Fourth Proportional to 343,970.18, 474,662.85 and 191,018.06

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Solution

The fourth proportional to 343,970.18, 474,662.85 and 191,018.06 is: 263,596.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,970.18 : 474,662.85 = 191,018.06 : x
  2. Step 2: Convert to fraction form
    343,970.18/474,662.85 = 191,018.06/x
  3. Step 3: Cross multiply
    343,970.18x = 474,662.85 × 191,018.06
  4. Step 4: Simplify right side
    343,970.18x = 90,669,176,761.07
  5. Step 5: Solve for x
    x = 90,669,176,761.07/343,970.18
  6. Step 6: Final answer
    x = 263,596.04

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1.5x scale

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.