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Finding the Fourth Proportional to 597,918.80, 896,431.80 and 361,211.60

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Solution

The fourth proportional to 597,918.80, 896,431.80 and 361,211.60 is: 541,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,918.80 : 896,431.80 = 361,211.60 : x
  2. Step 2: Convert to fraction form
    597,918.80/896,431.80 = 361,211.60/x
  3. Step 3: Cross multiply
    597,918.80x = 896,431.80 × 361,211.60
  4. Step 4: Simplify right side
    597,918.80x = 323,801,564,768.88
  5. Step 5: Solve for x
    x = 323,801,564,768.88/597,918.80
  6. Step 6: Final answer
    x = 541,547.72

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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.