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Finding the Fourth Proportional to 503,756.20, 756,509.10 and 267,560.20

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Solution

The fourth proportional to 503,756.20, 756,509.10 and 267,560.20 is: 401,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,756.20 : 756,509.10 = 267,560.20 : x
  2. Step 2: Convert to fraction form
    503,756.20/756,509.10 = 267,560.20/x
  3. Step 3: Cross multiply
    503,756.20x = 756,509.10 × 267,560.20
  4. Step 4: Simplify right side
    503,756.20x = 202,411,726,097.82
  5. Step 5: Solve for x
    x = 202,411,726,097.82/503,756.20
  6. Step 6: Final answer
    x = 401,804.93

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1.5x scale

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.