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Finding the Fourth Proportional to 480,205.70, 662,721.67 and 273,482.88

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Solution

The fourth proportional to 480,205.70, 662,721.67 and 273,482.88 is: 377,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,205.70 : 662,721.67 = 273,482.88 : x
  2. Step 2: Convert to fraction form
    480,205.70/662,721.67 = 273,482.88/x
  3. Step 3: Cross multiply
    480,205.70x = 662,721.67 × 273,482.88
  4. Step 4: Simplify right side
    480,205.70x = 181,243,030,950.01
  5. Step 5: Solve for x
    x = 181,243,030,950.01/480,205.70
  6. Step 6: Final answer
    x = 377,427.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.