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Finding the Fourth Proportional to 443,999.58, 612,706.96 and 242,791.26

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Solution

The fourth proportional to 443,999.58, 612,706.96 and 242,791.26 is: 335,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,999.58 : 612,706.96 = 242,791.26 : x
  2. Step 2: Convert to fraction form
    443,999.58/612,706.96 = 242,791.26/x
  3. Step 3: Cross multiply
    443,999.58x = 612,706.96 × 242,791.26
  4. Step 4: Simplify right side
    443,999.58x = 148,759,894,829.17
  5. Step 5: Solve for x
    x = 148,759,894,829.17/443,999.58
  6. Step 6: Final answer
    x = 335,045.13

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1.5x scale

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.