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Finding the Fourth Proportional to 551,048.06, 760,480.30 and 366,970.98

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Solution

The fourth proportional to 551,048.06, 760,480.30 and 366,970.98 is: 506,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,048.06 : 760,480.30 = 366,970.98 : x
  2. Step 2: Convert to fraction form
    551,048.06/760,480.30 = 366,970.98/x
  3. Step 3: Cross multiply
    551,048.06x = 760,480.30 × 366,970.98
  4. Step 4: Simplify right side
    551,048.06x = 279,074,200,961.69
  5. Step 5: Solve for x
    x = 279,074,200,961.69/551,048.06
  6. Step 6: Final answer
    x = 506,442.58

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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.