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Finding the Fourth Proportional to 294,461.20, 441,035.70 and 255,095.20

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Solution

The fourth proportional to 294,461.20, 441,035.70 and 255,095.20 is: 382,074.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,461.20 : 441,035.70 = 255,095.20 : x
  2. Step 2: Convert to fraction form
    294,461.20/441,035.70 = 255,095.20/x
  3. Step 3: Cross multiply
    294,461.20x = 441,035.70 × 255,095.20
  4. Step 4: Simplify right side
    294,461.20x = 112,506,090,098.64
  5. Step 5: Solve for x
    x = 112,506,090,098.64/294,461.20
  6. Step 6: Final answer
    x = 382,074.41

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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.