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Finding the Fourth Proportional to 592,890.80, 889,451.40 and 172,180.40

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Solution

The fourth proportional to 592,890.80, 889,451.40 and 172,180.40 is: 258,304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,890.80 : 889,451.40 = 172,180.40 : x
  2. Step 2: Convert to fraction form
    592,890.80/889,451.40 = 172,180.40/x
  3. Step 3: Cross multiply
    592,890.80x = 889,451.40 × 172,180.40
  4. Step 4: Simplify right side
    592,890.80x = 153,146,097,832.56
  5. Step 5: Solve for x
    x = 153,146,097,832.56/592,890.80
  6. Step 6: Final answer
    x = 258,304.06

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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.