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Finding the Fourth Proportional to 497,181.38, 745,801.54 and 155,688.67

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Solution

The fourth proportional to 497,181.38, 745,801.54 and 155,688.67 is: 233,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,181.38 : 745,801.54 = 155,688.67 : x
  2. Step 2: Convert to fraction form
    497,181.38/745,801.54 = 155,688.67/x
  3. Step 3: Cross multiply
    497,181.38x = 745,801.54 × 155,688.67
  4. Step 4: Simplify right side
    497,181.38x = 116,112,850,097.67
  5. Step 5: Solve for x
    x = 116,112,850,097.67/497,181.38
  6. Step 6: Final answer
    x = 233,542.24

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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.