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Finding the Fourth Proportional to 592,116.40, 889,096.20 and 343,284.40

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Solution

The fourth proportional to 592,116.40, 889,096.20 and 343,284.40 is: 515,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,116.40 : 889,096.20 = 343,284.40 : x
  2. Step 2: Convert to fraction form
    592,116.40/889,096.20 = 343,284.40/x
  3. Step 3: Cross multiply
    592,116.40x = 889,096.20 × 343,284.40
  4. Step 4: Simplify right side
    592,116.40x = 305,212,855,559.28
  5. Step 5: Solve for x
    x = 305,212,855,559.28/592,116.40
  6. Step 6: Final answer
    x = 515,460.91

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1.5x scale

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.