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Finding the Fourth Proportional to 619,157.42, 928,673.88 and 169,923.44

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Solution

The fourth proportional to 619,157.42, 928,673.88 and 169,923.44 is: 254,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,157.42 : 928,673.88 = 169,923.44 : x
  2. Step 2: Convert to fraction form
    619,157.42/928,673.88 = 169,923.44/x
  3. Step 3: Cross multiply
    619,157.42x = 928,673.88 × 169,923.44
  4. Step 4: Simplify right side
    619,157.42x = 157,803,460,327.75
  5. Step 5: Solve for x
    x = 157,803,460,327.75/619,157.42
  6. Step 6: Final answer
    x = 254,868.08

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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.