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Finding the Fourth Proportional to 528,599.41, 729,467.17 and 286,882.00

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Solution

The fourth proportional to 528,599.41, 729,467.17 and 286,882.00 is: 395,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,599.41 : 729,467.17 = 286,882.00 : x
  2. Step 2: Convert to fraction form
    528,599.41/729,467.17 = 286,882.00/x
  3. Step 3: Cross multiply
    528,599.41x = 729,467.17 × 286,882.00
  4. Step 4: Simplify right side
    528,599.41x = 209,270,998,123.07
  5. Step 5: Solve for x
    x = 209,270,998,123.07/528,599.41
  6. Step 6: Final answer
    x = 395,897.15

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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.