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Finding the Fourth Proportional to 575,432, 794,173.12 and 330,513.12

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Solution

The fourth proportional to 575,432, 794,173.12 and 330,513.12 is: 456,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,432 : 794,173.12 = 330,513.12 : x
  2. Step 2: Convert to fraction form
    575,432/794,173.12 = 330,513.12/x
  3. Step 3: Cross multiply
    575,432x = 794,173.12 × 330,513.12
  4. Step 4: Simplify right side
    575,432x = 262,484,635,711.33
  5. Step 5: Solve for x
    x = 262,484,635,711.33/575,432
  6. Step 6: Final answer
    x = 456,152.31

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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.