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Finding the Fourth Proportional to 529,583.76, 794,125.98 and 192,386.64

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Solution

The fourth proportional to 529,583.76, 794,125.98 and 192,386.64 is: 288,489.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,583.76 : 794,125.98 = 192,386.64 : x
  2. Step 2: Convert to fraction form
    529,583.76/794,125.98 = 192,386.64/x
  3. Step 3: Cross multiply
    529,583.76x = 794,125.98 × 192,386.64
  4. Step 4: Simplify right side
    529,583.76x = 152,779,229,028.91
  5. Step 5: Solve for x
    x = 152,779,229,028.91/529,583.76
  6. Step 6: Final answer
    x = 288,489.26

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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.