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Finding the Fourth Proportional to 551,443.04, 827,168.88 and 301,988.96

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Solution

The fourth proportional to 551,443.04, 827,168.88 and 301,988.96 is: 452,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,443.04 : 827,168.88 = 301,988.96 : x
  2. Step 2: Convert to fraction form
    551,443.04/827,168.88 = 301,988.96/x
  3. Step 3: Cross multiply
    551,443.04x = 827,168.88 × 301,988.96
  4. Step 4: Simplify right side
    551,443.04x = 249,795,869,815.57
  5. Step 5: Solve for x
    x = 249,795,869,815.57/551,443.04
  6. Step 6: Final answer
    x = 452,985.81

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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.