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Finding the Fourth Proportional to 567,671.04, 783,385.56 and 313,038.36

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Solution

The fourth proportional to 567,671.04, 783,385.56 and 313,038.36 is: 431,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,671.04 : 783,385.56 = 313,038.36 : x
  2. Step 2: Convert to fraction form
    567,671.04/783,385.56 = 313,038.36/x
  3. Step 3: Cross multiply
    567,671.04x = 783,385.56 × 313,038.36
  4. Step 4: Simplify right side
    567,671.04x = 245,229,730,950.08
  5. Step 5: Solve for x
    x = 245,229,730,950.08/567,671.04
  6. Step 6: Final answer
    x = 431,992.67

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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.