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Finding the Fourth Proportional to 370,710.78, 556,069.10 and 242,734.90

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Solution

The fourth proportional to 370,710.78, 556,069.10 and 242,734.90 is: 364,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,710.78 : 556,069.10 = 242,734.90 : x
  2. Step 2: Convert to fraction form
    370,710.78/556,069.10 = 242,734.90/x
  3. Step 3: Cross multiply
    370,710.78x = 556,069.10 × 242,734.90
  4. Step 4: Simplify right side
    370,710.78x = 134,977,377,381.59
  5. Step 5: Solve for x
    x = 134,977,377,381.59/370,710.78
  6. Step 6: Final answer
    x = 364,104.27

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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.