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Finding the Fourth Proportional to 572,499.90, 800,450.10 and 572,499.90

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Solution

The fourth proportional to 572,499.90, 800,450.10 and 572,499.90 is: 800,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,499.90 : 800,450.10 = 572,499.90 : x
  2. Step 2: Convert to fraction form
    572,499.90/800,450.10 = 572,499.90/x
  3. Step 3: Cross multiply
    572,499.90x = 800,450.10 × 572,499.90
  4. Step 4: Simplify right side
    572,499.90x = 458,257,602,204.99
  5. Step 5: Solve for x
    x = 458,257,602,204.99/572,499.90
  6. Step 6: Final answer
    x = 800,450.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.