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Finding the Fourth Proportional to 575,351.24, 793,692.88 and 439,148.72

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Solution

The fourth proportional to 575,351.24, 793,692.88 and 439,148.72 is: 605,802.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,351.24 : 793,692.88 = 439,148.72 : x
  2. Step 2: Convert to fraction form
    575,351.24/793,692.88 = 439,148.72/x
  3. Step 3: Cross multiply
    575,351.24x = 793,692.88 × 439,148.72
  4. Step 4: Simplify right side
    575,351.24x = 348,549,213,211.47
  5. Step 5: Solve for x
    x = 348,549,213,211.47/575,351.24
  6. Step 6: Final answer
    x = 605,802.49

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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.