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Finding the Fourth Proportional to 637,474.60, 956,101.08 and 238,118.80

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Solution

The fourth proportional to 637,474.60, 956,101.08 and 238,118.80 is: 357,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,474.60 : 956,101.08 = 238,118.80 : x
  2. Step 2: Convert to fraction form
    637,474.60/956,101.08 = 238,118.80/x
  3. Step 3: Cross multiply
    637,474.60x = 956,101.08 × 238,118.80
  4. Step 4: Simplify right side
    637,474.60x = 227,665,641,848.30
  5. Step 5: Solve for x
    x = 227,665,641,848.30/637,474.60
  6. Step 6: Final answer
    x = 357,136.80

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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.