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Finding the Fourth Proportional to 619,581.93, 928,507.83 and 334,658.19

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Solution

The fourth proportional to 619,581.93, 928,507.83 and 334,658.19 is: 501,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,581.93 : 928,507.83 = 334,658.19 : x
  2. Step 2: Convert to fraction form
    619,581.93/928,507.83 = 334,658.19/x
  3. Step 3: Cross multiply
    619,581.93x = 928,507.83 × 334,658.19
  4. Step 4: Simplify right side
    619,581.93x = 310,732,749,788.63
  5. Step 5: Solve for x
    x = 310,732,749,788.63/619,581.93
  6. Step 6: Final answer
    x = 501,520.03

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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.