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Finding the Fourth Proportional to 517,044.04, 775,575.78 and 162,050.20

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Solution

The fourth proportional to 517,044.04, 775,575.78 and 162,050.20 is: 243,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,044.04 : 775,575.78 = 162,050.20 : x
  2. Step 2: Convert to fraction form
    517,044.04/775,575.78 = 162,050.20/x
  3. Step 3: Cross multiply
    517,044.04x = 775,575.78 × 162,050.20
  4. Step 4: Simplify right side
    517,044.04x = 125,682,210,264.16
  5. Step 5: Solve for x
    x = 125,682,210,264.16/517,044.04
  6. Step 6: Final answer
    x = 243,078.35

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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.