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Finding the Fourth Proportional to 350,352, 483,485.76 and 191,376

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Solution

The fourth proportional to 350,352, 483,485.76 and 191,376 is: 264,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,352 : 483,485.76 = 191,376 : x
  2. Step 2: Convert to fraction form
    350,352/483,485.76 = 191,376/x
  3. Step 3: Cross multiply
    350,352x = 483,485.76 × 191,376
  4. Step 4: Simplify right side
    350,352x = 92,527,570,805.76
  5. Step 5: Solve for x
    x = 92,527,570,805.76/350,352
  6. Step 6: Final answer
    x = 264,098.88

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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.