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Finding the Fourth Proportional to 575,421.90, 804,540.90 and 575,421.90

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Solution

The fourth proportional to 575,421.90, 804,540.90 and 575,421.90 is: 804,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,421.90 : 804,540.90 = 575,421.90 : x
  2. Step 2: Convert to fraction form
    575,421.90/804,540.90 = 575,421.90/x
  3. Step 3: Cross multiply
    575,421.90x = 804,540.90 × 575,421.90
  4. Step 4: Simplify right side
    575,421.90x = 462,950,453,305.71
  5. Step 5: Solve for x
    x = 462,950,453,305.71/575,421.90
  6. Step 6: Final answer
    x = 804,540.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.