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Finding the Fourth Proportional to 554,079.89, 831,075.39 and 246,427.11

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Solution

The fourth proportional to 554,079.89, 831,075.39 and 246,427.11 is: 369,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,079.89 : 831,075.39 = 246,427.11 : x
  2. Step 2: Convert to fraction form
    554,079.89/831,075.39 = 246,427.11/x
  3. Step 3: Cross multiply
    554,079.89x = 831,075.39 × 246,427.11
  4. Step 4: Simplify right side
    554,079.89x = 204,799,506,549.82
  5. Step 5: Solve for x
    x = 204,799,506,549.82/554,079.89
  6. Step 6: Final answer
    x = 369,620.90

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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.