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Finding the Fourth Proportional to 567,764.28, 783,519.66 and 313,124.28

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Solution

The fourth proportional to 567,764.28, 783,519.66 and 313,124.28 is: 432,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,764.28 : 783,519.66 = 313,124.28 : x
  2. Step 2: Convert to fraction form
    567,764.28/783,519.66 = 313,124.28/x
  3. Step 3: Cross multiply
    567,764.28x = 783,519.66 × 313,124.28
  4. Step 4: Simplify right side
    567,764.28x = 245,339,029,403.35
  5. Step 5: Solve for x
    x = 245,339,029,403.35/567,764.28
  6. Step 6: Final answer
    x = 432,114.24

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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.