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Finding the Fourth Proportional to 346,315.95, 518,535.54 and 179,754.03

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Solution

The fourth proportional to 346,315.95, 518,535.54 and 179,754.03 is: 269,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,315.95 : 518,535.54 = 179,754.03 : x
  2. Step 2: Convert to fraction form
    346,315.95/518,535.54 = 179,754.03/x
  3. Step 3: Cross multiply
    346,315.95x = 518,535.54 × 179,754.03
  4. Step 4: Simplify right side
    346,315.95x = 93,208,853,013.23
  5. Step 5: Solve for x
    x = 93,208,853,013.23/346,315.95
  6. Step 6: Final answer
    x = 269,143.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.