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Finding the Fourth Proportional to 597,718.80, 896,578.20 and 265,942.80

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Solution

The fourth proportional to 597,718.80, 896,578.20 and 265,942.80 is: 398,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,718.80 : 896,578.20 = 265,942.80 : x
  2. Step 2: Convert to fraction form
    597,718.80/896,578.20 = 265,942.80/x
  3. Step 3: Cross multiply
    597,718.80x = 896,578.20 × 265,942.80
  4. Step 4: Simplify right side
    597,718.80x = 238,438,516,926.96
  5. Step 5: Solve for x
    x = 238,438,516,926.96/597,718.80
  6. Step 6: Final answer
    x = 398,914.20

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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.