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Finding the Fourth Proportional to 294,646.40, 441,710.40 and 176,364.80

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Solution

The fourth proportional to 294,646.40, 441,710.40 and 176,364.80 is: 264,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,646.40 : 441,710.40 = 176,364.80 : x
  2. Step 2: Convert to fraction form
    294,646.40/441,710.40 = 176,364.80/x
  3. Step 3: Cross multiply
    294,646.40x = 441,710.40 × 176,364.80
  4. Step 4: Simplify right side
    294,646.40x = 77,902,166,353.92
  5. Step 5: Solve for x
    x = 77,902,166,353.92/294,646.40
  6. Step 6: Final answer
    x = 264,392.05

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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.