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Finding the Fourth Proportional to 922,240.71, 1,383,490.53 and 323,064.72

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Solution

The fourth proportional to 922,240.71, 1,383,490.53 and 323,064.72 is: 484,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,240.71 : 1,383,490.53 = 323,064.72 : x
  2. Step 2: Convert to fraction form
    922,240.71/1,383,490.53 = 323,064.72/x
  3. Step 3: Cross multiply
    922,240.71x = 1,383,490.53 × 323,064.72
  4. Step 4: Simplify right side
    922,240.71x = 446,956,980,697.10
  5. Step 5: Solve for x
    x = 446,956,980,697.10/922,240.71
  6. Step 6: Final answer
    x = 484,642.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.