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Finding the Fourth Proportional to 329,070.60, 493,800.30 and 240,100.20

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Solution

The fourth proportional to 329,070.60, 493,800.30 and 240,100.20 is: 360,292.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,070.60 : 493,800.30 = 240,100.20 : x
  2. Step 2: Convert to fraction form
    329,070.60/493,800.30 = 240,100.20/x
  3. Step 3: Cross multiply
    329,070.60x = 493,800.30 × 240,100.20
  4. Step 4: Simplify right side
    329,070.60x = 118,561,550,790.06
  5. Step 5: Solve for x
    x = 118,561,550,790.06/329,070.60
  6. Step 6: Final answer
    x = 360,292.14

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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.