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Finding the Fourth Proportional to 572,223.84, 789,652.98 and 314,100.60

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Solution

The fourth proportional to 572,223.84, 789,652.98 and 314,100.60 is: 433,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,223.84 : 789,652.98 = 314,100.60 : x
  2. Step 2: Convert to fraction form
    572,223.84/789,652.98 = 314,100.60/x
  3. Step 3: Cross multiply
    572,223.84x = 789,652.98 × 314,100.60
  4. Step 4: Simplify right side
    572,223.84x = 248,030,474,809.79
  5. Step 5: Solve for x
    x = 248,030,474,809.79/572,223.84
  6. Step 6: Final answer
    x = 433,450.09

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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.