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Finding the Fourth Proportional to 619,313.90, 928,973.73 and 170,041.10

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Solution

The fourth proportional to 619,313.90, 928,973.73 and 170,041.10 is: 255,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,313.90 : 928,973.73 = 170,041.10 : x
  2. Step 2: Convert to fraction form
    619,313.90/928,973.73 = 170,041.10/x
  3. Step 3: Cross multiply
    619,313.90x = 928,973.73 × 170,041.10
  4. Step 4: Simplify right side
    619,313.90x = 157,963,714,920.30
  5. Step 5: Solve for x
    x = 157,963,714,920.30/619,313.90
  6. Step 6: Final answer
    x = 255,062.44

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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.