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Finding the Fourth Proportional to 528,833.52, 729,807.71 and 299,386.12

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Solution

The fourth proportional to 528,833.52, 729,807.71 and 299,386.12 is: 413,162.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,833.52 : 729,807.71 = 299,386.12 : x
  2. Step 2: Convert to fraction form
    528,833.52/729,807.71 = 299,386.12/x
  3. Step 3: Cross multiply
    528,833.52x = 729,807.71 × 299,386.12
  4. Step 4: Simplify right side
    528,833.52x = 218,494,297,439.81
  5. Step 5: Solve for x
    x = 218,494,297,439.81/528,833.52
  6. Step 6: Final answer
    x = 413,162.73

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