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Finding the Fourth Proportional to 446,532.58, 616,212.51 and 242,581.90

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Solution

The fourth proportional to 446,532.58, 616,212.51 and 242,581.90 is: 334,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,532.58 : 616,212.51 = 242,581.90 : x
  2. Step 2: Convert to fraction form
    446,532.58/616,212.51 = 242,581.90/x
  3. Step 3: Cross multiply
    446,532.58x = 616,212.51 × 242,581.90
  4. Step 4: Simplify right side
    446,532.58x = 149,482,001,479.57
  5. Step 5: Solve for x
    x = 149,482,001,479.57/446,532.58
  6. Step 6: Final answer
    x = 334,761.69

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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.