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Finding the Fourth Proportional to 647,926.76, 894,316.76 and 376,082.24

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Solution

The fourth proportional to 647,926.76, 894,316.76 and 376,082.24 is: 519,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,926.76 : 894,316.76 = 376,082.24 : x
  2. Step 2: Convert to fraction form
    647,926.76/894,316.76 = 376,082.24/x
  3. Step 3: Cross multiply
    647,926.76x = 894,316.76 × 376,082.24
  4. Step 4: Simplify right side
    647,926.76x = 336,336,646,838.96
  5. Step 5: Solve for x
    x = 336,336,646,838.96/647,926.76
  6. Step 6: Final answer
    x = 519,096.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.