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Finding the Fourth Proportional to 522,682.72, 783,402 and 364,052.32

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Solution

The fourth proportional to 522,682.72, 783,402 and 364,052.32 is: 545,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,682.72 : 783,402 = 364,052.32 : x
  2. Step 2: Convert to fraction form
    522,682.72/783,402 = 364,052.32/x
  3. Step 3: Cross multiply
    522,682.72x = 783,402 × 364,052.32
  4. Step 4: Simplify right side
    522,682.72x = 285,199,315,592.64
  5. Step 5: Solve for x
    x = 285,199,315,592.64/522,682.72
  6. Step 6: Final answer
    x = 545,645.20

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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.