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Finding the Fourth Proportional to 619,583.45, 928,510.07 and 334,659.69

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Solution

The fourth proportional to 619,583.45, 928,510.07 and 334,659.69 is: 501,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,583.45 : 928,510.07 = 334,659.69 : x
  2. Step 2: Convert to fraction form
    619,583.45/928,510.07 = 334,659.69/x
  3. Step 3: Cross multiply
    619,583.45x = 928,510.07 × 334,659.69
  4. Step 4: Simplify right side
    619,583.45x = 310,734,890,514.78
  5. Step 5: Solve for x
    x = 310,734,890,514.78/619,583.45
  6. Step 6: Final answer
    x = 501,522.26

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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.