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Finding the Fourth Proportional to 522,368.04, 783,621.72 and 256,137.24

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Solution

The fourth proportional to 522,368.04, 783,621.72 and 256,137.24 is: 384,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,368.04 : 783,621.72 = 256,137.24 : x
  2. Step 2: Convert to fraction form
    522,368.04/783,621.72 = 256,137.24/x
  3. Step 3: Cross multiply
    522,368.04x = 783,621.72 × 256,137.24
  4. Step 4: Simplify right side
    522,368.04x = 200,714,704,564.85
  5. Step 5: Solve for x
    x = 200,714,704,564.85/522,368.04
  6. Step 6: Final answer
    x = 384,240.02

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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.