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Finding the Fourth Proportional to 551,070.06, 760,835.32 and 336,334.61

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Solution

The fourth proportional to 551,070.06, 760,835.32 and 336,334.61 is: 464,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,070.06 : 760,835.32 = 336,334.61 : x
  2. Step 2: Convert to fraction form
    551,070.06/760,835.32 = 336,334.61/x
  3. Step 3: Cross multiply
    551,070.06x = 760,835.32 × 336,334.61
  4. Step 4: Simplify right side
    551,070.06x = 255,895,250,626.43
  5. Step 5: Solve for x
    x = 255,895,250,626.43/551,070.06
  6. Step 6: Final answer
    x = 464,360.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.