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Finding the Fourth Proportional to 441,416.79, 609,175.18 and 260,136.36

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Solution

The fourth proportional to 441,416.79, 609,175.18 and 260,136.36 is: 358,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,416.79 : 609,175.18 = 260,136.36 : x
  2. Step 2: Convert to fraction form
    441,416.79/609,175.18 = 260,136.36/x
  3. Step 3: Cross multiply
    441,416.79x = 609,175.18 × 260,136.36
  4. Step 4: Simplify right side
    441,416.79x = 158,468,614,252.72
  5. Step 5: Solve for x
    x = 158,468,614,252.72/441,416.79
  6. Step 6: Final answer
    x = 358,999.97

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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.