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Finding the Fourth Proportional to 590,588.70, 814,505.67 and 375,647.10

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Solution

The fourth proportional to 590,588.70, 814,505.67 and 375,647.10 is: 518,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,588.70 : 814,505.67 = 375,647.10 : x
  2. Step 2: Convert to fraction form
    590,588.70/814,505.67 = 375,647.10/x
  3. Step 3: Cross multiply
    590,588.70x = 814,505.67 × 375,647.10
  4. Step 4: Simplify right side
    590,588.70x = 305,966,692,869.06
  5. Step 5: Solve for x
    x = 305,966,692,869.06/590,588.70
  6. Step 6: Final answer
    x = 518,070.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.