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Finding the Fourth Proportional to 571,026.60, 857,775.78 and 371,244.12

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Solution

The fourth proportional to 571,026.60, 857,775.78 and 371,244.12 is: 557,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,026.60 : 857,775.78 = 371,244.12 : x
  2. Step 2: Convert to fraction form
    571,026.60/857,775.78 = 371,244.12/x
  3. Step 3: Cross multiply
    571,026.60x = 857,775.78 × 371,244.12
  4. Step 4: Simplify right side
    571,026.60x = 318,444,214,603.41
  5. Step 5: Solve for x
    x = 318,444,214,603.41/571,026.60
  6. Step 6: Final answer
    x = 557,669.67

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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.