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Finding the Fourth Proportional to 504,205.60, 756,308.40 and 354,906.40

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Solution

The fourth proportional to 504,205.60, 756,308.40 and 354,906.40 is: 532,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,205.60 : 756,308.40 = 354,906.40 : x
  2. Step 2: Convert to fraction form
    504,205.60/756,308.40 = 354,906.40/x
  3. Step 3: Cross multiply
    504,205.60x = 756,308.40 × 354,906.40
  4. Step 4: Simplify right side
    504,205.60x = 268,418,691,533.76
  5. Step 5: Solve for x
    x = 268,418,691,533.76/504,205.60
  6. Step 6: Final answer
    x = 532,359.60

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Double scale
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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.