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Finding the Fourth Proportional to 329,336.10, 493,712.55 and 217,070.10

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Solution

The fourth proportional to 329,336.10, 493,712.55 and 217,070.10 is: 325,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,336.10 : 493,712.55 = 217,070.10 : x
  2. Step 2: Convert to fraction form
    329,336.10/493,712.55 = 217,070.10/x
  3. Step 3: Cross multiply
    329,336.10x = 493,712.55 × 217,070.10
  4. Step 4: Simplify right side
    329,336.10x = 107,170,232,599.76
  5. Step 5: Solve for x
    x = 107,170,232,599.76/329,336.10
  6. Step 6: Final answer
    x = 325,412.95

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1.5x scale

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.