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Finding the Fourth Proportional to 350,421,701.20, 525,632,551.80 and 350,421,701.20

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Solution

The fourth proportional to 350,421,701.20, 525,632,551.80 and 350,421,701.20 is: 525,632,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,421,701.20 : 525,632,551.80 = 350,421,701.20 : x
  2. Step 2: Convert to fraction form
    350,421,701.20/525,632,551.80 = 350,421,701.20/x
  3. Step 3: Cross multiply
    350,421,701.20x = 525,632,551.80 × 350,421,701.20
  4. Step 4: Simplify right side
    350,421,701.20x = 184,193,053,007,853,120
  5. Step 5: Solve for x
    x = 184,193,053,007,853,120/350,421,701.20
  6. Step 6: Final answer
    x = 525,632,551.80

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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.