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Finding the Fourth Proportional to 483,841,648.40, 725,762,472.60 and 160,725,520.40

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Solution

The fourth proportional to 483,841,648.40, 725,762,472.60 and 160,725,520.40 is: 241,088,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,841,648.40 : 725,762,472.60 = 160,725,520.40 : x
  2. Step 2: Convert to fraction form
    483,841,648.40/725,762,472.60 = 160,725,520.40/x
  3. Step 3: Cross multiply
    483,841,648.40x = 725,762,472.60 × 160,725,520.40
  4. Step 4: Simplify right side
    483,841,648.40x = 116,648,551,095,425,744
  5. Step 5: Solve for x
    x = 116,648,551,095,425,744/483,841,648.40
  6. Step 6: Final answer
    x = 241,088,280.60

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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.