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Finding the Fourth Proportional to 437,293.87, 603,259.28 and 255,893.50

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Solution

The fourth proportional to 437,293.87, 603,259.28 and 255,893.50 is: 353,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,293.87 : 603,259.28 = 255,893.50 : x
  2. Step 2: Convert to fraction form
    437,293.87/603,259.28 = 255,893.50/x
  3. Step 3: Cross multiply
    437,293.87x = 603,259.28 × 255,893.50
  4. Step 4: Simplify right side
    437,293.87x = 154,370,125,607.55
  5. Step 5: Solve for x
    x = 154,370,125,607.55/437,293.87
  6. Step 6: Final answer
    x = 353,012.32

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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.