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Finding the Fourth Proportional to 662,421.90, 993,779.46 and 241,696.56

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Solution

The fourth proportional to 662,421.90, 993,779.46 and 241,696.56 is: 362,598.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,421.90 : 993,779.46 = 241,696.56 : x
  2. Step 2: Convert to fraction form
    662,421.90/993,779.46 = 241,696.56/x
  3. Step 3: Cross multiply
    662,421.90x = 993,779.46 × 241,696.56
  4. Step 4: Simplify right side
    662,421.90x = 240,193,076,880.66
  5. Step 5: Solve for x
    x = 240,193,076,880.66/662,421.90
  6. Step 6: Final answer
    x = 362,598.33

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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.