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Finding the Fourth Proportional to 346,018.95, 477,505.49 and 193,048.04

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Solution

The fourth proportional to 346,018.95, 477,505.49 and 193,048.04 is: 266,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,018.95 : 477,505.49 = 193,048.04 : x
  2. Step 2: Convert to fraction form
    346,018.95/477,505.49 = 193,048.04/x
  3. Step 3: Cross multiply
    346,018.95x = 477,505.49 × 193,048.04
  4. Step 4: Simplify right side
    346,018.95x = 92,181,498,095.55
  5. Step 5: Solve for x
    x = 92,181,498,095.55/346,018.95
  6. Step 6: Final answer
    x = 266,405.92

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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.