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Finding the Fourth Proportional to 590,133.60, 885,419.10 and 190,787.40

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Solution

The fourth proportional to 590,133.60, 885,419.10 and 190,787.40 is: 286,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,133.60 : 885,419.10 = 190,787.40 : x
  2. Step 2: Convert to fraction form
    590,133.60/885,419.10 = 190,787.40/x
  3. Step 3: Cross multiply
    590,133.60x = 885,419.10 × 190,787.40
  4. Step 4: Simplify right side
    590,133.60x = 168,926,807,999.34
  5. Step 5: Solve for x
    x = 168,926,807,999.34/590,133.60
  6. Step 6: Final answer
    x = 286,251.80

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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.