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Finding the Fourth Proportional to 575,287.12, 793,720.31 and 333,521.45

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Solution

The fourth proportional to 575,287.12, 793,720.31 and 333,521.45 is: 460,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,287.12 : 793,720.31 = 333,521.45 : x
  2. Step 2: Convert to fraction form
    575,287.12/793,720.31 = 333,521.45/x
  3. Step 3: Cross multiply
    575,287.12x = 793,720.31 × 333,521.45
  4. Step 4: Simplify right side
    575,287.12x = 264,722,746,025.89
  5. Step 5: Solve for x
    x = 264,722,746,025.89/575,287.12
  6. Step 6: Final answer
    x = 460,157.61

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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.