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Finding the Fourth Proportional to 480,185.04, 719,702.28 and 223,671.84

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Solution

The fourth proportional to 480,185.04, 719,702.28 and 223,671.84 is: 335,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,185.04 : 719,702.28 = 223,671.84 : x
  2. Step 2: Convert to fraction form
    480,185.04/719,702.28 = 223,671.84/x
  3. Step 3: Cross multiply
    480,185.04x = 719,702.28 × 223,671.84
  4. Step 4: Simplify right side
    480,185.04x = 160,977,133,219.80
  5. Step 5: Solve for x
    x = 160,977,133,219.80/480,185.04
  6. Step 6: Final answer
    x = 335,239.79

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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.