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Finding the Fourth Proportional to 669,716.88, 922,519.36 and 540,292.96

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Solution

The fourth proportional to 669,716.88, 922,519.36 and 540,292.96 is: 744,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,716.88 : 922,519.36 = 540,292.96 : x
  2. Step 2: Convert to fraction form
    669,716.88/922,519.36 = 540,292.96/x
  3. Step 3: Cross multiply
    669,716.88x = 922,519.36 × 540,292.96
  4. Step 4: Simplify right side
    669,716.88x = 498,430,715,671.71
  5. Step 5: Solve for x
    x = 498,430,715,671.71/669,716.88
  6. Step 6: Final answer
    x = 744,240.93

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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.