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Finding the Fourth Proportional to 575,802.71, 861,932.59 and 375,692.21

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Solution

The fourth proportional to 575,802.71, 861,932.59 and 375,692.21 is: 562,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,802.71 : 861,932.59 = 375,692.21 : x
  2. Step 2: Convert to fraction form
    575,802.71/861,932.59 = 375,692.21/x
  3. Step 3: Cross multiply
    575,802.71x = 861,932.59 × 375,692.21
  4. Step 4: Simplify right side
    575,802.71x = 323,821,359,608.12
  5. Step 5: Solve for x
    x = 323,821,359,608.12/575,802.71
  6. Step 6: Final answer
    x = 562,382.49

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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.