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Finding the Fourth Proportional to 350,992.04, 484,368.48 and 198,030

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Solution

The fourth proportional to 350,992.04, 484,368.48 and 198,030 is: 273,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,992.04 : 484,368.48 = 198,030 : x
  2. Step 2: Convert to fraction form
    350,992.04/484,368.48 = 198,030/x
  3. Step 3: Cross multiply
    350,992.04x = 484,368.48 × 198,030
  4. Step 4: Simplify right side
    350,992.04x = 95,919,490,094.40
  5. Step 5: Solve for x
    x = 95,919,490,094.40/350,992.04
  6. Step 6: Final answer
    x = 273,281.10

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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.