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Finding the Fourth Proportional to 480,075.25, 719,946.11 and 267,168.06

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Solution

The fourth proportional to 480,075.25, 719,946.11 and 267,168.06 is: 400,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,075.25 : 719,946.11 = 267,168.06 : x
  2. Step 2: Convert to fraction form
    480,075.25/719,946.11 = 267,168.06/x
  3. Step 3: Cross multiply
    480,075.25x = 719,946.11 × 267,168.06
  4. Step 4: Simplify right side
    480,075.25x = 192,346,605,513.25
  5. Step 5: Solve for x
    x = 192,346,605,513.25/480,075.25
  6. Step 6: Final answer
    x = 400,659.28

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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.