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Finding the Fourth Proportional to 369,602.40, 554,241.60 and 169,856.40

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Solution

The fourth proportional to 369,602.40, 554,241.60 and 169,856.40 is: 254,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,602.40 : 554,241.60 = 169,856.40 : x
  2. Step 2: Convert to fraction form
    369,602.40/554,241.60 = 169,856.40/x
  3. Step 3: Cross multiply
    369,602.40x = 554,241.60 × 169,856.40
  4. Step 4: Simplify right side
    369,602.40x = 94,141,482,906.24
  5. Step 5: Solve for x
    x = 94,141,482,906.24/369,602.40
  6. Step 6: Final answer
    x = 254,710.15

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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.