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Finding the Fourth Proportional to 716,366.72, 988,496.03 and 484,298.31

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Solution

The fourth proportional to 716,366.72, 988,496.03 and 484,298.31 is: 668,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,366.72 : 988,496.03 = 484,298.31 : x
  2. Step 2: Convert to fraction form
    716,366.72/988,496.03 = 484,298.31/x
  3. Step 3: Cross multiply
    716,366.72x = 988,496.03 × 484,298.31
  4. Step 4: Simplify right side
    716,366.72x = 478,726,954,349.22
  5. Step 5: Solve for x
    x = 478,726,954,349.22/716,366.72
  6. Step 6: Final answer
    x = 668,270.79

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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.