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Finding the Fourth Proportional to 663,867.99, 992,022.73 and 498,472.16

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Solution

The fourth proportional to 663,867.99, 992,022.73 and 498,472.16 is: 744,870.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,867.99 : 992,022.73 = 498,472.16 : x
  2. Step 2: Convert to fraction form
    663,867.99/992,022.73 = 498,472.16/x
  3. Step 3: Cross multiply
    663,867.99x = 992,022.73 × 498,472.16
  4. Step 4: Simplify right side
    663,867.99x = 494,495,706,785.90
  5. Step 5: Solve for x
    x = 494,495,706,785.90/663,867.99
  6. Step 6: Final answer
    x = 744,870.54

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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.