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Finding the Fourth Proportional to 522,606.36, 720,423.54 and 407,754.84

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Solution

The fourth proportional to 522,606.36, 720,423.54 and 407,754.84 is: 562,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,606.36 : 720,423.54 = 407,754.84 : x
  2. Step 2: Convert to fraction form
    522,606.36/720,423.54 = 407,754.84/x
  3. Step 3: Cross multiply
    522,606.36x = 720,423.54 × 407,754.84
  4. Step 4: Simplify right side
    522,606.36x = 293,756,185,284.93
  5. Step 5: Solve for x
    x = 293,756,185,284.93/522,606.36
  6. Step 6: Final answer
    x = 562,098.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.