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Finding the Fourth Proportional to 1,176,363, 1,764,544.50 and 289,899

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Solution

The fourth proportional to 1,176,363, 1,764,544.50 and 289,899 is: 434,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,363 : 1,764,544.50 = 289,899 : x
  2. Step 2: Convert to fraction form
    1,176,363/1,764,544.50 = 289,899/x
  3. Step 3: Cross multiply
    1,176,363x = 1,764,544.50 × 289,899
  4. Step 4: Simplify right side
    1,176,363x = 511,539,686,005.50
  5. Step 5: Solve for x
    x = 511,539,686,005.50/1,176,363
  6. Step 6: Final answer
    x = 434,848.50

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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.