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Finding the Fourth Proportional to 383,429.58, 575,144.77 and 382,875.81

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Solution

The fourth proportional to 383,429.58, 575,144.77 and 382,875.81 is: 574,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,429.58 : 575,144.77 = 382,875.81 : x
  2. Step 2: Convert to fraction form
    383,429.58/575,144.77 = 382,875.81/x
  3. Step 3: Cross multiply
    383,429.58x = 575,144.77 × 382,875.81
  4. Step 4: Simplify right side
    383,429.58x = 220,209,019,681.01
  5. Step 5: Solve for x
    x = 220,209,019,681.01/383,429.58
  6. Step 6: Final answer
    x = 574,314.11

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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.