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Finding the Fourth Proportional to 245,844.80, 368,767.20 and 242,345.60

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Solution

The fourth proportional to 245,844.80, 368,767.20 and 242,345.60 is: 363,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,844.80 : 368,767.20 = 242,345.60 : x
  2. Step 2: Convert to fraction form
    245,844.80/368,767.20 = 242,345.60/x
  3. Step 3: Cross multiply
    245,844.80x = 368,767.20 × 242,345.60
  4. Step 4: Simplify right side
    245,844.80x = 89,369,108,344.32
  5. Step 5: Solve for x
    x = 89,369,108,344.32/245,844.80
  6. Step 6: Final answer
    x = 363,518.40

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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.