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Finding the Fourth Proportional to 329,225.92, 454,328.40 and 185,985.76

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Solution

The fourth proportional to 329,225.92, 454,328.40 and 185,985.76 is: 256,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,225.92 : 454,328.40 = 185,985.76 : x
  2. Step 2: Convert to fraction form
    329,225.92/454,328.40 = 185,985.76/x
  3. Step 3: Cross multiply
    329,225.92x = 454,328.40 × 185,985.76
  4. Step 4: Simplify right side
    329,225.92x = 84,498,612,763.58
  5. Step 5: Solve for x
    x = 84,498,612,763.58/329,225.92
  6. Step 6: Final answer
    x = 256,658.45

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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.