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Finding the Fourth Proportional to 470,184.40, 705,276.60 and 115,201.90

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Solution

The fourth proportional to 470,184.40, 705,276.60 and 115,201.90 is: 172,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,184.40 : 705,276.60 = 115,201.90 : x
  2. Step 2: Convert to fraction form
    470,184.40/705,276.60 = 115,201.90/x
  3. Step 3: Cross multiply
    470,184.40x = 705,276.60 × 115,201.90
  4. Step 4: Simplify right side
    470,184.40x = 81,249,204,345.54
  5. Step 5: Solve for x
    x = 81,249,204,345.54/470,184.40
  6. Step 6: Final answer
    x = 172,802.85

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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.