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Finding the Fourth Proportional to 383,595.84, 575,372.97 and 117,356.40

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Solution

The fourth proportional to 383,595.84, 575,372.97 and 117,356.40 is: 176,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,595.84 : 575,372.97 = 117,356.40 : x
  2. Step 2: Convert to fraction form
    383,595.84/575,372.97 = 117,356.40/x
  3. Step 3: Cross multiply
    383,595.84x = 575,372.97 × 117,356.40
  4. Step 4: Simplify right side
    383,595.84x = 67,523,700,416.51
  5. Step 5: Solve for x
    x = 67,523,700,416.51/383,595.84
  6. Step 6: Final answer
    x = 176,028.24

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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.