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Finding the Fourth Proportional to 350,316, 483,438 and 191,340

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Solution

The fourth proportional to 350,316, 483,438 and 191,340 is: 264,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,316 : 483,438 = 191,340 : x
  2. Step 2: Convert to fraction form
    350,316/483,438 = 191,340/x
  3. Step 3: Cross multiply
    350,316x = 483,438 × 191,340
  4. Step 4: Simplify right side
    350,316x = 92,501,026,920
  5. Step 5: Solve for x
    x = 92,501,026,920/350,316
  6. Step 6: Final answer
    x = 264,050.25

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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.