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Finding the Fourth Proportional to 575,264.50, 793,892.04 and 320,617.51

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Solution

The fourth proportional to 575,264.50, 793,892.04 and 320,617.51 is: 442,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,264.50 : 793,892.04 = 320,617.51 : x
  2. Step 2: Convert to fraction form
    575,264.50/793,892.04 = 320,617.51/x
  3. Step 3: Cross multiply
    575,264.50x = 793,892.04 × 320,617.51
  4. Step 4: Simplify right side
    575,264.50x = 254,535,685,886.58
  5. Step 5: Solve for x
    x = 254,535,685,886.58/575,264.50
  6. Step 6: Final answer
    x = 442,467.23

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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.