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Finding the Fourth Proportional to 500,710.14, 746,598.87 and 445,072.86

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Solution

The fourth proportional to 500,710.14, 746,598.87 and 445,072.86 is: 663,639.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,710.14 : 746,598.87 = 445,072.86 : x
  2. Step 2: Convert to fraction form
    500,710.14/746,598.87 = 445,072.86/x
  3. Step 3: Cross multiply
    500,710.14x = 746,598.87 × 445,072.86
  4. Step 4: Simplify right side
    500,710.14x = 332,290,894,343.67
  5. Step 5: Solve for x
    x = 332,290,894,343.67/500,710.14
  6. Step 6: Final answer
    x = 663,639.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.