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Finding the Fourth Proportional to 882,321.75, 1,323,313.74 and 342,577.98

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Solution

The fourth proportional to 882,321.75, 1,323,313.74 and 342,577.98 is: 513,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,321.75 : 1,323,313.74 = 342,577.98 : x
  2. Step 2: Convert to fraction form
    882,321.75/1,323,313.74 = 342,577.98/x
  3. Step 3: Cross multiply
    882,321.75x = 1,323,313.74 × 342,577.98
  4. Step 4: Simplify right side
    882,321.75x = 453,338,147,955.45
  5. Step 5: Solve for x
    x = 453,338,147,955.45/882,321.75
  6. Step 6: Final answer
    x = 513,801.40

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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.