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Finding the Fourth Proportional to 383,549.44, 575,323.66 and 103,066.70

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Solution

The fourth proportional to 383,549.44, 575,323.66 and 103,066.70 is: 154,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,549.44 : 575,323.66 = 103,066.70 : x
  2. Step 2: Convert to fraction form
    383,549.44/575,323.66 = 103,066.70/x
  3. Step 3: Cross multiply
    383,549.44x = 575,323.66 × 103,066.70
  4. Step 4: Simplify right side
    383,549.44x = 59,296,711,068.12
  5. Step 5: Solve for x
    x = 59,296,711,068.12/383,549.44
  6. Step 6: Final answer
    x = 154,599.92

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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.