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Finding the Fourth Proportional to 477,237.42, 658,570.70 and 262,375.81

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Solution

The fourth proportional to 477,237.42, 658,570.70 and 262,375.81 is: 362,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,237.42 : 658,570.70 = 262,375.81 : x
  2. Step 2: Convert to fraction form
    477,237.42/658,570.70 = 262,375.81/x
  3. Step 3: Cross multiply
    477,237.42x = 658,570.70 × 262,375.81
  4. Step 4: Simplify right side
    477,237.42x = 172,793,019,864.28
  5. Step 5: Solve for x
    x = 172,793,019,864.28/477,237.42
  6. Step 6: Final answer
    x = 362,069.30

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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.