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Finding the Fourth Proportional to 614,929.94, 921,959.33 and 273,185.67

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Solution

The fourth proportional to 614,929.94, 921,959.33 and 273,185.67 is: 409,585.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,929.94 : 921,959.33 = 273,185.67 : x
  2. Step 2: Convert to fraction form
    614,929.94/921,959.33 = 273,185.67/x
  3. Step 3: Cross multiply
    614,929.94x = 921,959.33 × 273,185.67
  4. Step 4: Simplify right side
    614,929.94x = 251,866,075,912.87
  5. Step 5: Solve for x
    x = 251,866,075,912.87/614,929.94
  6. Step 6: Final answer
    x = 409,585.00

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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.