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Finding the Fourth Proportional to 662,573.28, 914,366.16 and 376,066.56

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Solution

The fourth proportional to 662,573.28, 914,366.16 and 376,066.56 is: 518,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,573.28 : 914,366.16 = 376,066.56 : x
  2. Step 2: Convert to fraction form
    662,573.28/914,366.16 = 376,066.56/x
  3. Step 3: Cross multiply
    662,573.28x = 914,366.16 × 376,066.56
  4. Step 4: Simplify right side
    662,573.28x = 343,862,536,371.61
  5. Step 5: Solve for x
    x = 343,862,536,371.61/662,573.28
  6. Step 6: Final answer
    x = 518,980.39

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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.