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Finding the Fourth Proportional to 567,715.77, 783,411.98 and 325,828.08

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Solution

The fourth proportional to 567,715.77, 783,411.98 and 325,828.08 is: 449,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,715.77 : 783,411.98 = 325,828.08 : x
  2. Step 2: Convert to fraction form
    567,715.77/783,411.98 = 325,828.08/x
  3. Step 3: Cross multiply
    567,715.77x = 783,411.98 × 325,828.08
  4. Step 4: Simplify right side
    567,715.77x = 255,257,619,663.26
  5. Step 5: Solve for x
    x = 255,257,619,663.26/567,715.77
  6. Step 6: Final answer
    x = 449,622.21

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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.