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Finding the Fourth Proportional to 478,829.70, 718,244.55 and 337,112.10

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Solution

The fourth proportional to 478,829.70, 718,244.55 and 337,112.10 is: 505,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,829.70 : 718,244.55 = 337,112.10 : x
  2. Step 2: Convert to fraction form
    478,829.70/718,244.55 = 337,112.10/x
  3. Step 3: Cross multiply
    478,829.70x = 718,244.55 × 337,112.10
  4. Step 4: Simplify right side
    478,829.70x = 242,128,928,564.06
  5. Step 5: Solve for x
    x = 242,128,928,564.06/478,829.70
  6. Step 6: Final answer
    x = 505,668.15

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Similar ratio
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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.