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Finding the Fourth Proportional to 655,910.16, 983,865.42 and 506,368.74

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Solution

The fourth proportional to 655,910.16, 983,865.42 and 506,368.74 is: 759,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,910.16 : 983,865.42 = 506,368.74 : x
  2. Step 2: Convert to fraction form
    655,910.16/983,865.42 = 506,368.74/x
  3. Step 3: Cross multiply
    655,910.16x = 983,865.42 × 506,368.74
  4. Step 4: Simplify right side
    655,910.16x = 498,198,693,054.97
  5. Step 5: Solve for x
    x = 498,198,693,054.97/655,910.16
  6. Step 6: Final answer
    x = 759,553.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.