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Finding the Fourth Proportional to 554,298.40, 829,367.52 and 328,833.28

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Solution

The fourth proportional to 554,298.40, 829,367.52 and 328,833.28 is: 492,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,298.40 : 829,367.52 = 328,833.28 : x
  2. Step 2: Convert to fraction form
    554,298.40/829,367.52 = 328,833.28/x
  3. Step 3: Cross multiply
    554,298.40x = 829,367.52 × 328,833.28
  4. Step 4: Simplify right side
    554,298.40x = 272,723,641,927.07
  5. Step 5: Solve for x
    x = 272,723,641,927.07/554,298.40
  6. Step 6: Final answer
    x = 492,015.93

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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.