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Finding the Fourth Proportional to 835,707, 1,254,058.62 and 303,269.58

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Solution

The fourth proportional to 835,707, 1,254,058.62 and 303,269.58 is: 455,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,707 : 1,254,058.62 = 303,269.58 : x
  2. Step 2: Convert to fraction form
    835,707/1,254,058.62 = 303,269.58/x
  3. Step 3: Cross multiply
    835,707x = 1,254,058.62 × 303,269.58
  4. Step 4: Simplify right side
    835,707x = 380,317,830,982.78
  5. Step 5: Solve for x
    x = 380,317,830,982.78/835,707
  6. Step 6: Final answer
    x = 455,085.13

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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.