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Finding the Fourth Proportional to 609,062.40, 913,056.64 and 234,828.80

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Solution

The fourth proportional to 609,062.40, 913,056.64 and 234,828.80 is: 352,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,062.40 : 913,056.64 = 234,828.80 : x
  2. Step 2: Convert to fraction form
    609,062.40/913,056.64 = 234,828.80/x
  3. Step 3: Cross multiply
    609,062.40x = 913,056.64 × 234,828.80
  4. Step 4: Simplify right side
    609,062.40x = 214,411,995,103.23
  5. Step 5: Solve for x
    x = 214,411,995,103.23/609,062.40
  6. Step 6: Final answer
    x = 352,036.17

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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.