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Finding the Fourth Proportional to 531,578.16, 797,367.24 and 364,860.72

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Solution

The fourth proportional to 531,578.16, 797,367.24 and 364,860.72 is: 547,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,578.16 : 797,367.24 = 364,860.72 : x
  2. Step 2: Convert to fraction form
    531,578.16/797,367.24 = 364,860.72/x
  3. Step 3: Cross multiply
    531,578.16x = 797,367.24 × 364,860.72
  4. Step 4: Simplify right side
    531,578.16x = 290,927,985,290.81
  5. Step 5: Solve for x
    x = 290,927,985,290.81/531,578.16
  6. Step 6: Final answer
    x = 547,291.08

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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.