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Finding the Fourth Proportional to 524,844.45, 787,261.47 and 240,454.32

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Solution

The fourth proportional to 524,844.45, 787,261.47 and 240,454.32 is: 360,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,844.45 : 787,261.47 = 240,454.32 : x
  2. Step 2: Convert to fraction form
    524,844.45/787,261.47 = 240,454.32/x
  3. Step 3: Cross multiply
    524,844.45x = 787,261.47 × 240,454.32
  4. Step 4: Simplify right side
    524,844.45x = 189,300,421,431.05
  5. Step 5: Solve for x
    x = 189,300,421,431.05/524,844.45
  6. Step 6: Final answer
    x = 360,679.10

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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.