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Finding the Fourth Proportional to 249,470.37, 374,485.99 and 99,816.24

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Solution

The fourth proportional to 249,470.37, 374,485.99 and 99,816.24 is: 149,836.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,470.37 : 374,485.99 = 99,816.24 : x
  2. Step 2: Convert to fraction form
    249,470.37/374,485.99 = 99,816.24/x
  3. Step 3: Cross multiply
    249,470.37x = 374,485.99 × 99,816.24
  4. Step 4: Simplify right side
    249,470.37x = 37,379,783,454.48
  5. Step 5: Solve for x
    x = 37,379,783,454.48/249,470.37
  6. Step 6: Final answer
    x = 149,836.57

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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.