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Finding the Fourth Proportional to 302,437.65, 417,360.65 and 166,468.67

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Solution

The fourth proportional to 302,437.65, 417,360.65 and 166,468.67 is: 229,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,437.65 : 417,360.65 = 166,468.67 : x
  2. Step 2: Convert to fraction form
    302,437.65/417,360.65 = 166,468.67/x
  3. Step 3: Cross multiply
    302,437.65x = 417,360.65 × 166,468.67
  4. Step 4: Simplify right side
    302,437.65x = 69,477,472,526.89
  5. Step 5: Solve for x
    x = 69,477,472,526.89/302,437.65
  6. Step 6: Final answer
    x = 229,724.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.