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Finding the Fourth Proportional to 602,759.20, 903,810.30 and 181,980.40

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Solution

The fourth proportional to 602,759.20, 903,810.30 and 181,980.40 is: 272,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,759.20 : 903,810.30 = 181,980.40 : x
  2. Step 2: Convert to fraction form
    602,759.20/903,810.30 = 181,980.40/x
  3. Step 3: Cross multiply
    602,759.20x = 903,810.30 × 181,980.40
  4. Step 4: Simplify right side
    602,759.20x = 164,475,759,918.12
  5. Step 5: Solve for x
    x = 164,475,759,918.12/602,759.20
  6. Step 6: Final answer
    x = 272,871.42

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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.