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Finding the Fourth Proportional to 304,210.52, 456,280.92 and 79,592.64

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Solution

The fourth proportional to 304,210.52, 456,280.92 and 79,592.64 is: 119,379.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,210.52 : 456,280.92 = 79,592.64 : x
  2. Step 2: Convert to fraction form
    304,210.52/456,280.92 = 79,592.64/x
  3. Step 3: Cross multiply
    304,210.52x = 456,280.92 × 79,592.64
  4. Step 4: Simplify right side
    304,210.52x = 36,316,603,004.43
  5. Step 5: Solve for x
    x = 36,316,603,004.43/304,210.52
  6. Step 6: Final answer
    x = 119,379.84

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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.