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Finding the Fourth Proportional to 524,181.60, 786,272.40 and 130,197.60

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Solution

The fourth proportional to 524,181.60, 786,272.40 and 130,197.60 is: 195,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,181.60 : 786,272.40 = 130,197.60 : x
  2. Step 2: Convert to fraction form
    524,181.60/786,272.40 = 130,197.60/x
  3. Step 3: Cross multiply
    524,181.60x = 786,272.40 × 130,197.60
  4. Step 4: Simplify right side
    524,181.60x = 102,370,779,426.24
  5. Step 5: Solve for x
    x = 102,370,779,426.24/524,181.60
  6. Step 6: Final answer
    x = 195,296.40

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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.