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Finding the Fourth Proportional to 592,292.80, 889,022.40 and 293,111.20

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Solution

The fourth proportional to 592,292.80, 889,022.40 and 293,111.20 is: 439,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,292.80 : 889,022.40 = 293,111.20 : x
  2. Step 2: Convert to fraction form
    592,292.80/889,022.40 = 293,111.20/x
  3. Step 3: Cross multiply
    592,292.80x = 889,022.40 × 293,111.20
  4. Step 4: Simplify right side
    592,292.80x = 260,582,422,490.88
  5. Step 5: Solve for x
    x = 260,582,422,490.88/592,292.80
  6. Step 6: Final answer
    x = 439,955.41

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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.