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Finding the Fourth Proportional to 649,373.64, 896,120.06 and 362,949

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Solution

The fourth proportional to 649,373.64, 896,120.06 and 362,949 is: 500,860.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,373.64 : 896,120.06 = 362,949 : x
  2. Step 2: Convert to fraction form
    649,373.64/896,120.06 = 362,949/x
  3. Step 3: Cross multiply
    649,373.64x = 896,120.06 × 362,949
  4. Step 4: Simplify right side
    649,373.64x = 325,245,877,842.20
  5. Step 5: Solve for x
    x = 325,245,877,842.20/649,373.64
  6. Step 6: Final answer
    x = 500,860.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.