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Finding the Fourth Proportional to 242,904.40, 364,356.60 and 183,855.40

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Solution

The fourth proportional to 242,904.40, 364,356.60 and 183,855.40 is: 275,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,904.40 : 364,356.60 = 183,855.40 : x
  2. Step 2: Convert to fraction form
    242,904.40/364,356.60 = 183,855.40/x
  3. Step 3: Cross multiply
    242,904.40x = 364,356.60 × 183,855.40
  4. Step 4: Simplify right side
    242,904.40x = 66,988,928,435.64
  5. Step 5: Solve for x
    x = 66,988,928,435.64/242,904.40
  6. Step 6: Final answer
    x = 275,783.10

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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.