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Finding the Fourth Proportional to 692,985, 1,039,477.54 and 167,673

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Solution

The fourth proportional to 692,985, 1,039,477.54 and 167,673 is: 251,509.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,985 : 1,039,477.54 = 167,673 : x
  2. Step 2: Convert to fraction form
    692,985/1,039,477.54 = 167,673/x
  3. Step 3: Cross multiply
    692,985x = 1,039,477.54 × 167,673
  4. Step 4: Simplify right side
    692,985x = 174,292,317,564.42
  5. Step 5: Solve for x
    x = 174,292,317,564.42/692,985
  6. Step 6: Final answer
    x = 251,509.51

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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.