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Finding the Fourth Proportional to 302,479.46, 417,407.34 and 166,510.64

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Solution

The fourth proportional to 302,479.46, 417,407.34 and 166,510.64 is: 229,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,479.46 : 417,407.34 = 166,510.64 : x
  2. Step 2: Convert to fraction form
    302,479.46/417,407.34 = 166,510.64/x
  3. Step 3: Cross multiply
    302,479.46x = 417,407.34 × 166,510.64
  4. Step 4: Simplify right side
    302,479.46x = 69,502,763,324.10
  5. Step 5: Solve for x
    x = 69,502,763,324.10/302,479.46
  6. Step 6: Final answer
    x = 229,776.80

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1.5x scale

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.