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Finding the Fourth Proportional to 554,102.16, 831,200.40 and 174,921.45

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Solution

The fourth proportional to 554,102.16, 831,200.40 and 174,921.45 is: 262,397.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,102.16 : 831,200.40 = 174,921.45 : x
  2. Step 2: Convert to fraction form
    554,102.16/831,200.40 = 174,921.45/x
  3. Step 3: Cross multiply
    554,102.16x = 831,200.40 × 174,921.45
  4. Step 4: Simplify right side
    554,102.16x = 145,394,779,208.58
  5. Step 5: Solve for x
    x = 145,394,779,208.58/554,102.16
  6. Step 6: Final answer
    x = 262,397.06

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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.