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Finding the Fourth Proportional to 518,295.78, 777,483.03 and 176,633.02

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Solution

The fourth proportional to 518,295.78, 777,483.03 and 176,633.02 is: 264,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,295.78 : 777,483.03 = 176,633.02 : x
  2. Step 2: Convert to fraction form
    518,295.78/777,483.03 = 176,633.02/x
  3. Step 3: Cross multiply
    518,295.78x = 777,483.03 × 176,633.02
  4. Step 4: Simplify right side
    518,295.78x = 137,329,170,817.07
  5. Step 5: Solve for x
    x = 137,329,170,817.07/518,295.78
  6. Step 6: Final answer
    x = 264,962.94

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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.