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Finding the Fourth Proportional to 530,129.40, 795,194.10 and 530,129.40

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Solution

The fourth proportional to 530,129.40, 795,194.10 and 530,129.40 is: 795,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,129.40 : 795,194.10 = 530,129.40 : x
  2. Step 2: Convert to fraction form
    530,129.40/795,194.10 = 530,129.40/x
  3. Step 3: Cross multiply
    530,129.40x = 795,194.10 × 530,129.40
  4. Step 4: Simplify right side
    530,129.40x = 421,555,771,116.54
  5. Step 5: Solve for x
    x = 421,555,771,116.54/530,129.40
  6. Step 6: Final answer
    x = 795,194.10

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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.