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Finding the Fourth Proportional to 982,015.75, 1,354,978.53 and 574,038.70

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Solution

The fourth proportional to 982,015.75, 1,354,978.53 and 574,038.70 is: 792,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,015.75 : 1,354,978.53 = 574,038.70 : x
  2. Step 2: Convert to fraction form
    982,015.75/1,354,978.53 = 574,038.70/x
  3. Step 3: Cross multiply
    982,015.75x = 1,354,978.53 × 574,038.70
  4. Step 4: Simplify right side
    982,015.75x = 777,810,110,501.67
  5. Step 5: Solve for x
    x = 777,810,110,501.67/982,015.75
  6. Step 6: Final answer
    x = 792,054.62

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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.