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Finding the Fourth Proportional to 434,421,000.45, 651,631,500.68 and 434,421,000.45

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Solution

The fourth proportional to 434,421,000.45, 651,631,500.68 and 434,421,000.45 is: 651,631,500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,421,000.45 : 651,631,500.68 = 434,421,000.45 : x
  2. Step 2: Convert to fraction form
    434,421,000.45/651,631,500.68 = 434,421,000.45/x
  3. Step 3: Cross multiply
    434,421,000.45x = 651,631,500.68 × 434,421,000.45
  4. Step 4: Simplify right side
    434,421,000.45x = 283,082,408,447,968,320
  5. Step 5: Solve for x
    x = 283,082,408,447,968,320/434,421,000.45
  6. Step 6: Final answer
    x = 651,631,500.68

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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.