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Finding the Fourth Proportional to 524,834,367.98, 786,946,978.60 and 248,483,262.16

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Solution

The fourth proportional to 524,834,367.98, 786,946,978.60 and 248,483,262.16 is: 372,580,692.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,834,367.98 : 786,946,978.60 = 248,483,262.16 : x
  2. Step 2: Convert to fraction form
    524,834,367.98/786,946,978.60 = 248,483,262.16/x
  3. Step 3: Cross multiply
    524,834,367.98x = 786,946,978.60 × 248,483,262.16
  4. Step 4: Simplify right side
    524,834,367.98x = 195,543,152,389,483,712
  5. Step 5: Solve for x
    x = 195,543,152,389,483,712/524,834,367.98
  6. Step 6: Final answer
    x = 372,580,692.73

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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.