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Finding the Fourth Proportional to 713,659.60, 984,336.06 and 458,767.18

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Solution

The fourth proportional to 713,659.60, 984,336.06 and 458,767.18 is: 632,768.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,659.60 : 984,336.06 = 458,767.18 : x
  2. Step 2: Convert to fraction form
    713,659.60/984,336.06 = 458,767.18/x
  3. Step 3: Cross multiply
    713,659.60x = 984,336.06 × 458,767.18
  4. Step 4: Simplify right side
    713,659.60x = 451,581,078,418.51
  5. Step 5: Solve for x
    x = 451,581,078,418.51/713,659.60
  6. Step 6: Final answer
    x = 632,768.17

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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.