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Finding the Fourth Proportional to 349,723.60, 524,844.60 and 256,411.60

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Solution

The fourth proportional to 349,723.60, 524,844.60 and 256,411.60 is: 384,807.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,723.60 : 524,844.60 = 256,411.60 : x
  2. Step 2: Convert to fraction form
    349,723.60/524,844.60 = 256,411.60/x
  3. Step 3: Cross multiply
    349,723.60x = 524,844.60 × 256,411.60
  4. Step 4: Simplify right side
    349,723.60x = 134,576,243,637.36
  5. Step 5: Solve for x
    x = 134,576,243,637.36/349,723.60
  6. Step 6: Final answer
    x = 384,807.44

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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.