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Finding the Fourth Proportional to 383,686.74, 575,037.56 and 183,707.46

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Solution

The fourth proportional to 383,686.74, 575,037.56 and 183,707.46 is: 275,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,686.74 : 575,037.56 = 183,707.46 : x
  2. Step 2: Convert to fraction form
    383,686.74/575,037.56 = 183,707.46/x
  3. Step 3: Cross multiply
    383,686.74x = 575,037.56 × 183,707.46
  4. Step 4: Simplify right side
    383,686.74x = 105,638,690,011.47
  5. Step 5: Solve for x
    x = 105,638,690,011.47/383,686.74
  6. Step 6: Final answer
    x = 275,325.36

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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.