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Finding the Fourth Proportional to 2,926,382.94, 4,389,995.04 and 904,784.49

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Solution

The fourth proportional to 2,926,382.94, 4,389,995.04 and 904,784.49 is: 1,357,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926,382.94 : 4,389,995.04 = 904,784.49 : x
  2. Step 2: Convert to fraction form
    2,926,382.94/4,389,995.04 = 904,784.49/x
  3. Step 3: Cross multiply
    2,926,382.94x = 4,389,995.04 × 904,784.49
  4. Step 4: Simplify right side
    2,926,382.94x = 3,971,999,423,368.93
  5. Step 5: Solve for x
    x = 3,971,999,423,368.93/2,926,382.94
  6. Step 6: Final answer
    x = 1,357,306.79

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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.