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Finding the Fourth Proportional to 522,318.06, 783,477.34 and 344,783.58

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Solution

The fourth proportional to 522,318.06, 783,477.34 and 344,783.58 is: 517,175.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,318.06 : 783,477.34 = 344,783.58 : x
  2. Step 2: Convert to fraction form
    522,318.06/783,477.34 = 344,783.58/x
  3. Step 3: Cross multiply
    522,318.06x = 783,477.34 × 344,783.58
  4. Step 4: Simplify right side
    522,318.06x = 270,130,122,134.08
  5. Step 5: Solve for x
    x = 270,130,122,134.08/522,318.06
  6. Step 6: Final answer
    x = 517,175.54

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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.