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Finding the Fourth Proportional to 458,323.09, 632,476.35 and 254,362.17

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Solution

The fourth proportional to 458,323.09, 632,476.35 and 254,362.17 is: 351,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,323.09 : 632,476.35 = 254,362.17 : x
  2. Step 2: Convert to fraction form
    458,323.09/632,476.35 = 254,362.17/x
  3. Step 3: Cross multiply
    458,323.09x = 632,476.35 × 254,362.17
  4. Step 4: Simplify right side
    458,323.09x = 160,878,056,859.68
  5. Step 5: Solve for x
    x = 160,878,056,859.68/458,323.09
  6. Step 6: Final answer
    x = 351,014.51

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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.