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Finding the Fourth Proportional to 346,194, 477,690.01 and 231,288.41

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Solution

The fourth proportional to 346,194, 477,690.01 and 231,288.41 is: 319,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,194 : 477,690.01 = 231,288.41 : x
  2. Step 2: Convert to fraction form
    346,194/477,690.01 = 231,288.41/x
  3. Step 3: Cross multiply
    346,194x = 477,690.01 × 231,288.41
  4. Step 4: Simplify right side
    346,194x = 110,484,163,501.79
  5. Step 5: Solve for x
    x = 110,484,163,501.79/346,194
  6. Step 6: Final answer
    x = 319,139.45

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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.