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Finding the Fourth Proportional to 716,063.54, 988,634.18 and 444,530.40

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Solution

The fourth proportional to 716,063.54, 988,634.18 and 444,530.40 is: 613,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,063.54 : 988,634.18 = 444,530.40 : x
  2. Step 2: Convert to fraction form
    716,063.54/988,634.18 = 444,530.40/x
  3. Step 3: Cross multiply
    716,063.54x = 988,634.18 × 444,530.40
  4. Step 4: Simplify right side
    716,063.54x = 439,477,947,489.07
  5. Step 5: Solve for x
    x = 439,477,947,489.07/716,063.54
  6. Step 6: Final answer
    x = 613,741.55

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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.