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Finding the Fourth Proportional to 443,902.44, 612,587.94 and 242,698.44

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Solution

The fourth proportional to 443,902.44, 612,587.94 and 242,698.44 is: 334,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,902.44 : 612,587.94 = 242,698.44 : x
  2. Step 2: Convert to fraction form
    443,902.44/612,587.94 = 242,698.44/x
  3. Step 3: Cross multiply
    443,902.44x = 612,587.94 × 242,698.44
  4. Step 4: Simplify right side
    443,902.44x = 148,674,137,400.81
  5. Step 5: Solve for x
    x = 148,674,137,400.81/443,902.44
  6. Step 6: Final answer
    x = 334,925.25

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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.