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Finding the Fourth Proportional to 482,009.40, 723,014.10 and 245,813.40

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Solution

The fourth proportional to 482,009.40, 723,014.10 and 245,813.40 is: 368,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,009.40 : 723,014.10 = 245,813.40 : x
  2. Step 2: Convert to fraction form
    482,009.40/723,014.10 = 245,813.40/x
  3. Step 3: Cross multiply
    482,009.40x = 723,014.10 × 245,813.40
  4. Step 4: Simplify right side
    482,009.40x = 177,726,554,168.94
  5. Step 5: Solve for x
    x = 177,726,554,168.94/482,009.40
  6. Step 6: Final answer
    x = 368,720.10

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Similar ratio
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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.