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Finding the Fourth Proportional to 637,131.42, 955,863.72 and 237,775.77

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Solution

The fourth proportional to 637,131.42, 955,863.72 and 237,775.77 is: 356,725.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,131.42 : 955,863.72 = 237,775.77 : x
  2. Step 2: Convert to fraction form
    637,131.42/955,863.72 = 237,775.77/x
  3. Step 3: Cross multiply
    637,131.42x = 955,863.72 × 237,775.77
  4. Step 4: Simplify right side
    637,131.42x = 227,281,232,038.06
  5. Step 5: Solve for x
    x = 227,281,232,038.06/637,131.42
  6. Step 6: Final answer
    x = 356,725.83

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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.