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Finding the Fourth Proportional to 590,038.40, 885,057.60 and 523,553.60

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Solution

The fourth proportional to 590,038.40, 885,057.60 and 523,553.60 is: 785,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,038.40 : 885,057.60 = 523,553.60 : x
  2. Step 2: Convert to fraction form
    590,038.40/885,057.60 = 523,553.60/x
  3. Step 3: Cross multiply
    590,038.40x = 885,057.60 × 523,553.60
  4. Step 4: Simplify right side
    590,038.40x = 463,375,092,687.36
  5. Step 5: Solve for x
    x = 463,375,092,687.36/590,038.40
  6. Step 6: Final answer
    x = 785,330.40

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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.