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Finding the Fourth Proportional to 963,278.80, 1,444,480.80 and 364,040.80

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Solution

The fourth proportional to 963,278.80, 1,444,480.80 and 364,040.80 is: 545,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,278.80 : 1,444,480.80 = 364,040.80 : x
  2. Step 2: Convert to fraction form
    963,278.80/1,444,480.80 = 364,040.80/x
  3. Step 3: Cross multiply
    963,278.80x = 1,444,480.80 × 364,040.80
  4. Step 4: Simplify right side
    963,278.80x = 525,849,946,016.64
  5. Step 5: Solve for x
    x = 525,849,946,016.64/963,278.80
  6. Step 6: Final answer
    x = 545,895.90

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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.