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Finding the Fourth Proportional to 294,630.40, 441,686.40 and 176,348.80

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Solution

The fourth proportional to 294,630.40, 441,686.40 and 176,348.80 is: 264,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,630.40 : 441,686.40 = 176,348.80 : x
  2. Step 2: Convert to fraction form
    294,630.40/441,686.40 = 176,348.80/x
  3. Step 3: Cross multiply
    294,630.40x = 441,686.40 × 176,348.80
  4. Step 4: Simplify right side
    294,630.40x = 77,890,866,616.32
  5. Step 5: Solve for x
    x = 77,890,866,616.32/294,630.40
  6. Step 6: Final answer
    x = 264,368.06

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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.