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Finding the Fourth Proportional to 663,360.84, 995,030.33 and 190,035.72

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Solution

The fourth proportional to 663,360.84, 995,030.33 and 190,035.72 is: 285,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,360.84 : 995,030.33 = 190,035.72 : x
  2. Step 2: Convert to fraction form
    663,360.84/995,030.33 = 190,035.72/x
  3. Step 3: Cross multiply
    663,360.84x = 995,030.33 × 190,035.72
  4. Step 4: Simplify right side
    663,360.84x = 189,091,304,233.21
  5. Step 5: Solve for x
    x = 189,091,304,233.21/663,360.84
  6. Step 6: Final answer
    x = 285,050.45

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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.