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Finding the Fourth Proportional to 567,908.76, 783,633.51 and 352,970.40

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Solution

The fourth proportional to 567,908.76, 783,633.51 and 352,970.40 is: 487,049.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,908.76 : 783,633.51 = 352,970.40 : x
  2. Step 2: Convert to fraction form
    567,908.76/783,633.51 = 352,970.40/x
  3. Step 3: Cross multiply
    567,908.76x = 783,633.51 × 352,970.40
  4. Step 4: Simplify right side
    567,908.76x = 276,599,433,478.10
  5. Step 5: Solve for x
    x = 276,599,433,478.10/567,908.76
  6. Step 6: Final answer
    x = 487,049.07

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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.