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Finding the Fourth Proportional to 452,508.47, 624,481.31 and 258,976.93

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Solution

The fourth proportional to 452,508.47, 624,481.31 and 258,976.93 is: 357,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,508.47 : 624,481.31 = 258,976.93 : x
  2. Step 2: Convert to fraction form
    452,508.47/624,481.31 = 258,976.93/x
  3. Step 3: Cross multiply
    452,508.47x = 624,481.31 × 258,976.93
  4. Step 4: Simplify right side
    452,508.47x = 161,726,248,088.89
  5. Step 5: Solve for x
    x = 161,726,248,088.89/452,508.47
  6. Step 6: Final answer
    x = 357,399.39

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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.