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Finding the Fourth Proportional to 922,658.10, 1,383,987.15 and 736,034.10

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Solution

The fourth proportional to 922,658.10, 1,383,987.15 and 736,034.10 is: 1,104,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,658.10 : 1,383,987.15 = 736,034.10 : x
  2. Step 2: Convert to fraction form
    922,658.10/1,383,987.15 = 736,034.10/x
  3. Step 3: Cross multiply
    922,658.10x = 1,383,987.15 × 736,034.10
  4. Step 4: Simplify right side
    922,658.10x = 1,018,661,736,361.82
  5. Step 5: Solve for x
    x = 1,018,661,736,361.82/922,658.10
  6. Step 6: Final answer
    x = 1,104,051.15

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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.