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Finding the Fourth Proportional to 554,061.15, 831,091.73 and 554,061.15

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Solution

The fourth proportional to 554,061.15, 831,091.73 and 554,061.15 is: 831,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,061.15 : 831,091.73 = 554,061.15 : x
  2. Step 2: Convert to fraction form
    554,061.15/831,091.73 = 554,061.15/x
  3. Step 3: Cross multiply
    554,061.15x = 831,091.73 × 554,061.15
  4. Step 4: Simplify right side
    554,061.15x = 460,475,636,908.98
  5. Step 5: Solve for x
    x = 460,475,636,908.98/554,061.15
  6. Step 6: Final answer
    x = 831,091.73

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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.