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Finding the Fourth Proportional to 617,938.30, 926,907.45 and 197,256.70

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Solution

The fourth proportional to 617,938.30, 926,907.45 and 197,256.70 is: 295,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,938.30 : 926,907.45 = 197,256.70 : x
  2. Step 2: Convert to fraction form
    617,938.30/926,907.45 = 197,256.70/x
  3. Step 3: Cross multiply
    617,938.30x = 926,907.45 × 197,256.70
  4. Step 4: Simplify right side
    617,938.30x = 182,838,704,792.42
  5. Step 5: Solve for x
    x = 182,838,704,792.42/617,938.30
  6. Step 6: Final answer
    x = 295,885.05

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Similar ratio
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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.