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Finding the Fourth Proportional to 346,145.76, 477,703.44 and 195,239.52

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Solution

The fourth proportional to 346,145.76, 477,703.44 and 195,239.52 is: 269,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,145.76 : 477,703.44 = 195,239.52 : x
  2. Step 2: Convert to fraction form
    346,145.76/477,703.44 = 195,239.52/x
  3. Step 3: Cross multiply
    346,145.76x = 477,703.44 × 195,239.52
  4. Step 4: Simplify right side
    346,145.76x = 93,266,590,327.95
  5. Step 5: Solve for x
    x = 93,266,590,327.95/346,145.76
  6. Step 6: Final answer
    x = 269,443.11

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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.