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Finding the Fourth Proportional to 435,951.40, 653,441.10 and 169,623.40

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Solution

The fourth proportional to 435,951.40, 653,441.10 and 169,623.40 is: 254,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,951.40 : 653,441.10 = 169,623.40 : x
  2. Step 2: Convert to fraction form
    435,951.40/653,441.10 = 169,623.40/x
  3. Step 3: Cross multiply
    435,951.40x = 653,441.10 × 169,623.40
  4. Step 4: Simplify right side
    435,951.40x = 110,838,901,081.74
  5. Step 5: Solve for x
    x = 110,838,901,081.74/435,951.40
  6. Step 6: Final answer
    x = 254,246.00

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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.