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Finding the Fourth Proportional to 922,438.03, 1,383,698.49 and 282,694.90

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Solution

The fourth proportional to 922,438.03, 1,383,698.49 and 282,694.90 is: 424,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,438.03 : 1,383,698.49 = 282,694.90 : x
  2. Step 2: Convert to fraction form
    922,438.03/1,383,698.49 = 282,694.90/x
  3. Step 3: Cross multiply
    922,438.03x = 1,383,698.49 × 282,694.90
  4. Step 4: Simplify right side
    922,438.03x = 391,164,506,260.70
  5. Step 5: Solve for x
    x = 391,164,506,260.70/922,438.03
  6. Step 6: Final answer
    x = 424,055.05

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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.