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Finding the Fourth Proportional to 555,136.32, 765,768.34 and 334,219.82

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Solution

The fourth proportional to 555,136.32, 765,768.34 and 334,219.82 is: 461,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,136.32 : 765,768.34 = 334,219.82 : x
  2. Step 2: Convert to fraction form
    555,136.32/765,768.34 = 334,219.82/x
  3. Step 3: Cross multiply
    555,136.32x = 765,768.34 × 334,219.82
  4. Step 4: Simplify right side
    555,136.32x = 255,934,956,756.50
  5. Step 5: Solve for x
    x = 255,934,956,756.50/555,136.32
  6. Step 6: Final answer
    x = 461,030.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.