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Finding the Fourth Proportional to 461,484.66, 636,847.57 and 257,533.41

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Solution

The fourth proportional to 461,484.66, 636,847.57 and 257,533.41 is: 355,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,484.66 : 636,847.57 = 257,533.41 : x
  2. Step 2: Convert to fraction form
    461,484.66/636,847.57 = 257,533.41/x
  3. Step 3: Cross multiply
    461,484.66x = 636,847.57 × 257,533.41
  4. Step 4: Simplify right side
    461,484.66x = 164,009,527,613.78
  5. Step 5: Solve for x
    x = 164,009,527,613.78/461,484.66
  6. Step 6: Final answer
    x = 355,395.40

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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.