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Finding the Fourth Proportional to 370,169.80, 555,475.83 and 340,054.81

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Solution

The fourth proportional to 370,169.80, 555,475.83 and 340,054.81 is: 510,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,169.80 : 555,475.83 = 340,054.81 : x
  2. Step 2: Convert to fraction form
    370,169.80/555,475.83 = 340,054.81/x
  3. Step 3: Cross multiply
    370,169.80x = 555,475.83 × 340,054.81
  4. Step 4: Simplify right side
    370,169.80x = 188,892,225,166.35
  5. Step 5: Solve for x
    x = 188,892,225,166.35/370,169.80
  6. Step 6: Final answer
    x = 510,285.35

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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.