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Finding the Fourth Proportional to 592,080.40, 889,042.20 and 343,248.40

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Solution

The fourth proportional to 592,080.40, 889,042.20 and 343,248.40 is: 515,406.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,080.40 : 889,042.20 = 343,248.40 : x
  2. Step 2: Convert to fraction form
    592,080.40/889,042.20 = 343,248.40/x
  3. Step 3: Cross multiply
    592,080.40x = 889,042.20 × 343,248.40
  4. Step 4: Simplify right side
    592,080.40x = 305,162,312,682.48
  5. Step 5: Solve for x
    x = 305,162,312,682.48/592,080.40
  6. Step 6: Final answer
    x = 515,406.88

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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.