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Finding the Fourth Proportional to 598,710.39, 897,588.54 and 345,703.87

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Solution

The fourth proportional to 598,710.39, 897,588.54 and 345,703.87 is: 518,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,710.39 : 897,588.54 = 345,703.87 : x
  2. Step 2: Convert to fraction form
    598,710.39/897,588.54 = 345,703.87/x
  3. Step 3: Cross multiply
    598,710.39x = 897,588.54 × 345,703.87
  4. Step 4: Simplify right side
    598,710.39x = 310,299,835,592.10
  5. Step 5: Solve for x
    x = 310,299,835,592.10/598,710.39
  6. Step 6: Final answer
    x = 518,280.36

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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.