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Finding the Fourth Proportional to 575,184.68, 793,755.62 and 320,530.28

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Solution

The fourth proportional to 575,184.68, 793,755.62 and 320,530.28 is: 442,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,184.68 : 793,755.62 = 320,530.28 : x
  2. Step 2: Convert to fraction form
    575,184.68/793,755.62 = 320,530.28/x
  3. Step 3: Cross multiply
    575,184.68x = 793,755.62 × 320,530.28
  4. Step 4: Simplify right side
    575,184.68x = 254,422,711,130.17
  5. Step 5: Solve for x
    x = 254,422,711,130.17/575,184.68
  6. Step 6: Final answer
    x = 442,332.21

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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.