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Finding the Fourth Proportional to 563,611.40, 845,532.30 and 189,672.20

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Solution

The fourth proportional to 563,611.40, 845,532.30 and 189,672.20 is: 284,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,611.40 : 845,532.30 = 189,672.20 : x
  2. Step 2: Convert to fraction form
    563,611.40/845,532.30 = 189,672.20/x
  3. Step 3: Cross multiply
    563,611.40x = 845,532.30 × 189,672.20
  4. Step 4: Simplify right side
    563,611.40x = 160,373,971,512.06
  5. Step 5: Solve for x
    x = 160,373,971,512.06/563,611.40
  6. Step 6: Final answer
    x = 284,547.07

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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.