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Finding the Fourth Proportional to 443,807.04, 612,452.88 and 242,603.04

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Solution

The fourth proportional to 443,807.04, 612,452.88 and 242,603.04 is: 334,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,807.04 : 612,452.88 = 242,603.04 : x
  2. Step 2: Convert to fraction form
    443,807.04/612,452.88 = 242,603.04/x
  3. Step 3: Cross multiply
    443,807.04x = 612,452.88 × 242,603.04
  4. Step 4: Simplify right side
    443,807.04x = 148,582,930,544.76
  5. Step 5: Solve for x
    x = 148,582,930,544.76/443,807.04
  6. Step 6: Final answer
    x = 334,791.74

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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.