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Finding the Fourth Proportional to 557,443.92, 769,269.21 and 302,792.88

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Solution

The fourth proportional to 557,443.92, 769,269.21 and 302,792.88 is: 417,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,443.92 : 769,269.21 = 302,792.88 : x
  2. Step 2: Convert to fraction form
    557,443.92/769,269.21 = 302,792.88/x
  3. Step 3: Cross multiply
    557,443.92x = 769,269.21 × 302,792.88
  4. Step 4: Simplify right side
    557,443.92x = 232,929,239,591.23
  5. Step 5: Solve for x
    x = 232,929,239,591.23/557,443.92
  6. Step 6: Final answer
    x = 417,852.33

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1.5x scale

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.