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Finding the Fourth Proportional to 524,448,200.90, 786,672,301.35 and 320,374,856.90

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Solution

The fourth proportional to 524,448,200.90, 786,672,301.35 and 320,374,856.90 is: 480,562,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,448,200.90 : 786,672,301.35 = 320,374,856.90 : x
  2. Step 2: Convert to fraction form
    524,448,200.90/786,672,301.35 = 320,374,856.90/x
  3. Step 3: Cross multiply
    524,448,200.90x = 786,672,301.35 × 320,374,856.90
  4. Step 4: Simplify right side
    524,448,200.90x = 252,030,025,972,199,904
  5. Step 5: Solve for x
    x = 252,030,025,972,199,904/524,448,200.90
  6. Step 6: Final answer
    x = 480,562,285.35

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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.