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Finding the Fourth Proportional to 496,018.69, 744,152.94 and 141,032.70

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Solution

The fourth proportional to 496,018.69, 744,152.94 and 141,032.70 is: 211,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,018.69 : 744,152.94 = 141,032.70 : x
  2. Step 2: Convert to fraction form
    496,018.69/744,152.94 = 141,032.70/x
  3. Step 3: Cross multiply
    496,018.69x = 744,152.94 × 141,032.70
  4. Step 4: Simplify right side
    496,018.69x = 104,949,898,341.14
  5. Step 5: Solve for x
    x = 104,949,898,341.14/496,018.69
  6. Step 6: Final answer
    x = 211,584.57

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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.