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Finding the Fourth Proportional to 583,573.43, 805,995.64 and 392,254.67

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Solution

The fourth proportional to 583,573.43, 805,995.64 and 392,254.67 is: 541,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,573.43 : 805,995.64 = 392,254.67 : x
  2. Step 2: Convert to fraction form
    583,573.43/805,995.64 = 392,254.67/x
  3. Step 3: Cross multiply
    583,573.43x = 805,995.64 × 392,254.67
  4. Step 4: Simplify right side
    583,573.43x = 316,155,556,294.95
  5. Step 5: Solve for x
    x = 316,155,556,294.95/583,573.43
  6. Step 6: Final answer
    x = 541,757.97

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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.