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Finding the Fourth Proportional to 293,041.30, 439,614.58 and 103,611.64

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Solution

The fourth proportional to 293,041.30, 439,614.58 and 103,611.64 is: 155,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,041.30 : 439,614.58 = 103,611.64 : x
  2. Step 2: Convert to fraction form
    293,041.30/439,614.58 = 103,611.64/x
  3. Step 3: Cross multiply
    293,041.30x = 439,614.58 × 103,611.64
  4. Step 4: Simplify right side
    293,041.30x = 45,549,187,601.71
  5. Step 5: Solve for x
    x = 45,549,187,601.71/293,041.30
  6. Step 6: Final answer
    x = 155,436.07

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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.