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Finding the Fourth Proportional to 575,656.22, 794,547.98 and 392,198.38

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Solution

The fourth proportional to 575,656.22, 794,547.98 and 392,198.38 is: 541,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,656.22 : 794,547.98 = 392,198.38 : x
  2. Step 2: Convert to fraction form
    575,656.22/794,547.98 = 392,198.38/x
  3. Step 3: Cross multiply
    575,656.22x = 794,547.98 × 392,198.38
  4. Step 4: Simplify right side
    575,656.22x = 311,620,430,588.27
  5. Step 5: Solve for x
    x = 311,620,430,588.27/575,656.22
  6. Step 6: Final answer
    x = 541,330.78

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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.