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Finding the Fourth Proportional to 497,574.78, 745,920.17 and 193,898.64

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Solution

The fourth proportional to 497,574.78, 745,920.17 and 193,898.64 is: 290,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,574.78 : 745,920.17 = 193,898.64 : x
  2. Step 2: Convert to fraction form
    497,574.78/745,920.17 = 193,898.64/x
  3. Step 3: Cross multiply
    497,574.78x = 745,920.17 × 193,898.64
  4. Step 4: Simplify right side
    497,574.78x = 144,632,909,066.40
  5. Step 5: Solve for x
    x = 144,632,909,066.40/497,574.78
  6. Step 6: Final answer
    x = 290,675.72

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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.