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Finding the Fourth Proportional to 567,865.04, 783,650.56 and 313,215.60

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Solution

The fourth proportional to 567,865.04, 783,650.56 and 313,215.60 is: 432,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,865.04 : 783,650.56 = 313,215.60 : x
  2. Step 2: Convert to fraction form
    567,865.04/783,650.56 = 313,215.60/x
  3. Step 3: Cross multiply
    567,865.04x = 783,650.56 × 313,215.60
  4. Step 4: Simplify right side
    567,865.04x = 245,451,580,340.74
  5. Step 5: Solve for x
    x = 245,451,580,340.74/567,865.04
  6. Step 6: Final answer
    x = 432,235.77

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1.5x scale

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.