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Finding the Fourth Proportional to 649,711.62, 974,706.54 and 194,338.62

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Solution

The fourth proportional to 649,711.62, 974,706.54 and 194,338.62 is: 291,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,711.62 : 974,706.54 = 194,338.62 : x
  2. Step 2: Convert to fraction form
    649,711.62/974,706.54 = 194,338.62/x
  3. Step 3: Cross multiply
    649,711.62x = 974,706.54 × 194,338.62
  4. Step 4: Simplify right side
    649,711.62x = 189,423,123,888.58
  5. Step 5: Solve for x
    x = 189,423,123,888.58/649,711.62
  6. Step 6: Final answer
    x = 291,549.54

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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.