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Finding the Fourth Proportional to 349,189.55, 523,779.12 and 96,464.45

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Solution

The fourth proportional to 349,189.55, 523,779.12 and 96,464.45 is: 144,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,189.55 : 523,779.12 = 96,464.45 : x
  2. Step 2: Convert to fraction form
    349,189.55/523,779.12 = 96,464.45/x
  3. Step 3: Cross multiply
    349,189.55x = 523,779.12 × 96,464.45
  4. Step 4: Simplify right side
    349,189.55x = 50,526,062,113.39
  5. Step 5: Solve for x
    x = 50,526,062,113.39/349,189.55
  6. Step 6: Final answer
    x = 144,695.23

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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.