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Finding the Fourth Proportional to 592,970.52, 889,480.40 and 172,246.40

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Solution

The fourth proportional to 592,970.52, 889,480.40 and 172,246.40 is: 258,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,970.52 : 889,480.40 = 172,246.40 : x
  2. Step 2: Convert to fraction form
    592,970.52/889,480.40 = 172,246.40/x
  3. Step 3: Cross multiply
    592,970.52x = 889,480.40 × 172,246.40
  4. Step 4: Simplify right side
    592,970.52x = 153,209,796,770.56
  5. Step 5: Solve for x
    x = 153,209,796,770.56/592,970.52
  6. Step 6: Final answer
    x = 258,376.75

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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.