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Finding the Fourth Proportional to 477,211.63, 714,259.81 and 350,818.42

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Solution

The fourth proportional to 477,211.63, 714,259.81 and 350,818.42 is: 525,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,211.63 : 714,259.81 = 350,818.42 : x
  2. Step 2: Convert to fraction form
    477,211.63/714,259.81 = 350,818.42/x
  3. Step 3: Cross multiply
    477,211.63x = 714,259.81 × 350,818.42
  4. Step 4: Simplify right side
    477,211.63x = 250,575,498,013.70
  5. Step 5: Solve for x
    x = 250,575,498,013.70/477,211.63
  6. Step 6: Final answer
    x = 525,082.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.