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Finding the Fourth Proportional to 599,009.28, 898,511.36 and 155,776

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Solution

The fourth proportional to 599,009.28, 898,511.36 and 155,776 is: 233,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,009.28 : 898,511.36 = 155,776 : x
  2. Step 2: Convert to fraction form
    599,009.28/898,511.36 = 155,776/x
  3. Step 3: Cross multiply
    599,009.28x = 898,511.36 × 155,776
  4. Step 4: Simplify right side
    599,009.28x = 139,966,505,615.36
  5. Step 5: Solve for x
    x = 139,966,505,615.36/599,009.28
  6. Step 6: Final answer
    x = 233,663.33

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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.