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Finding the Fourth Proportional to 619,407.96, 929,450.58 and 240,343.64

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Solution

The fourth proportional to 619,407.96, 929,450.58 and 240,343.64 is: 360,646.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,407.96 : 929,450.58 = 240,343.64 : x
  2. Step 2: Convert to fraction form
    619,407.96/929,450.58 = 240,343.64/x
  3. Step 3: Cross multiply
    619,407.96x = 929,450.58 × 240,343.64
  4. Step 4: Simplify right side
    619,407.96x = 223,387,529,748.34
  5. Step 5: Solve for x
    x = 223,387,529,748.34/619,407.96
  6. Step 6: Final answer
    x = 360,646.85

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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.