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Finding the Fourth Proportional to 530,179.60, 795,269.40 and 404,208.40

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Solution

The fourth proportional to 530,179.60, 795,269.40 and 404,208.40 is: 606,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,179.60 : 795,269.40 = 404,208.40 : x
  2. Step 2: Convert to fraction form
    530,179.60/795,269.40 = 404,208.40/x
  3. Step 3: Cross multiply
    530,179.60x = 795,269.40 × 404,208.40
  4. Step 4: Simplify right side
    530,179.60x = 321,454,571,742.96
  5. Step 5: Solve for x
    x = 321,454,571,742.96/530,179.60
  6. Step 6: Final answer
    x = 606,312.60

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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.