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Finding the Fourth Proportional to 531,996,588.09, 734,277,692.03 and 312,050,872.89

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Solution

The fourth proportional to 531,996,588.09, 734,277,692.03 and 312,050,872.89 is: 430,702,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,996,588.09 : 734,277,692.03 = 312,050,872.89 : x
  2. Step 2: Convert to fraction form
    531,996,588.09/734,277,692.03 = 312,050,872.89/x
  3. Step 3: Cross multiply
    531,996,588.09x = 734,277,692.03 × 312,050,872.89
  4. Step 4: Simplify right side
    531,996,588.09x = 229,131,994,740,055,808
  5. Step 5: Solve for x
    x = 229,131,994,740,055,808/531,996,588.09
  6. Step 6: Final answer
    x = 430,702,000.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.