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Finding the Fourth Proportional to 294,378.30, 441,567.45 and 266,384.70

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Solution

The fourth proportional to 294,378.30, 441,567.45 and 266,384.70 is: 399,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,378.30 : 441,567.45 = 266,384.70 : x
  2. Step 2: Convert to fraction form
    294,378.30/441,567.45 = 266,384.70/x
  3. Step 3: Cross multiply
    294,378.30x = 441,567.45 × 266,384.70
  4. Step 4: Simplify right side
    294,378.30x = 117,626,812,698.02
  5. Step 5: Solve for x
    x = 117,626,812,698.02/294,378.30
  6. Step 6: Final answer
    x = 399,577.05

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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.