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Finding the Fourth Proportional to 446,688.07, 616,443.31 and 255,762.97

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Solution

The fourth proportional to 446,688.07, 616,443.31 and 255,762.97 is: 352,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,688.07 : 616,443.31 = 255,762.97 : x
  2. Step 2: Convert to fraction form
    446,688.07/616,443.31 = 255,762.97/x
  3. Step 3: Cross multiply
    446,688.07x = 616,443.31 × 255,762.97
  4. Step 4: Simplify right side
    446,688.07x = 157,663,370,580.83
  5. Step 5: Solve for x
    x = 157,663,370,580.83/446,688.07
  6. Step 6: Final answer
    x = 352,960.78

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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.