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Finding the Fourth Proportional to 644,925.81, 967,410.58 and 171,611.62

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Solution

The fourth proportional to 644,925.81, 967,410.58 and 171,611.62 is: 257,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,925.81 : 967,410.58 = 171,611.62 : x
  2. Step 2: Convert to fraction form
    644,925.81/967,410.58 = 171,611.62/x
  3. Step 3: Cross multiply
    644,925.81x = 967,410.58 × 171,611.62
  4. Step 4: Simplify right side
    644,925.81x = 166,018,896,409.91
  5. Step 5: Solve for x
    x = 166,018,896,409.91/644,925.81
  6. Step 6: Final answer
    x = 257,423.25

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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.