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Finding the Fourth Proportional to 554,424.84, 831,762 and 175,368.48

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Solution

The fourth proportional to 554,424.84, 831,762 and 175,368.48 is: 263,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,424.84 : 831,762 = 175,368.48 : x
  2. Step 2: Convert to fraction form
    554,424.84/831,762 = 175,368.48/x
  3. Step 3: Cross multiply
    554,424.84x = 831,762 × 175,368.48
  4. Step 4: Simplify right side
    554,424.84x = 145,864,837,661.76
  5. Step 5: Solve for x
    x = 145,864,837,661.76/554,424.84
  6. Step 6: Final answer
    x = 263,092.18

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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.