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Finding the Fourth Proportional to 632,536.32, 873,432 and 451,802.64

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Solution

The fourth proportional to 632,536.32, 873,432 and 451,802.64 is: 623,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,536.32 : 873,432 = 451,802.64 : x
  2. Step 2: Convert to fraction form
    632,536.32/873,432 = 451,802.64/x
  3. Step 3: Cross multiply
    632,536.32x = 873,432 × 451,802.64
  4. Step 4: Simplify right side
    632,536.32x = 394,618,883,460.48
  5. Step 5: Solve for x
    x = 394,618,883,460.48/632,536.32
  6. Step 6: Final answer
    x = 623,867.55

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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.