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Finding the Fourth Proportional to 982,242, 1,355,289.84 and 574,263.83

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Solution

The fourth proportional to 982,242, 1,355,289.84 and 574,263.83 is: 792,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,242 : 1,355,289.84 = 574,263.83 : x
  2. Step 2: Convert to fraction form
    982,242/1,355,289.84 = 574,263.83/x
  3. Step 3: Cross multiply
    982,242x = 1,355,289.84 × 574,263.83
  4. Step 4: Simplify right side
    982,242x = 778,293,937,666.71
  5. Step 5: Solve for x
    x = 778,293,937,666.71/982,242
  6. Step 6: Final answer
    x = 792,364.75

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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.