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Finding the Fourth Proportional to 298,417.84, 411,772.84 and 169,336.24

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Solution

The fourth proportional to 298,417.84, 411,772.84 and 169,336.24 is: 233,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,417.84 : 411,772.84 = 169,336.24 : x
  2. Step 2: Convert to fraction form
    298,417.84/411,772.84 = 169,336.24/x
  3. Step 3: Cross multiply
    298,417.84x = 411,772.84 × 169,336.24
  4. Step 4: Simplify right side
    298,417.84x = 69,728,064,459.72
  5. Step 5: Solve for x
    x = 69,728,064,459.72/298,417.84
  6. Step 6: Final answer
    x = 233,659.17

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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.