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Finding the Fourth Proportional to 484,740.34, 726,027.72 and 351,314.30

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Solution

The fourth proportional to 484,740.34, 726,027.72 and 351,314.30 is: 526,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,740.34 : 726,027.72 = 351,314.30 : x
  2. Step 2: Convert to fraction form
    484,740.34/726,027.72 = 351,314.30/x
  3. Step 3: Cross multiply
    484,740.34x = 726,027.72 × 351,314.30
  4. Step 4: Simplify right side
    484,740.34x = 255,063,920,232.40
  5. Step 5: Solve for x
    x = 255,063,920,232.40/484,740.34
  6. Step 6: Final answer
    x = 526,186.70

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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.