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Finding the Fourth Proportional to 562,216.60, 775,865.03 and 307,562.32

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Solution

The fourth proportional to 562,216.60, 775,865.03 and 307,562.32 is: 424,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,216.60 : 775,865.03 = 307,562.32 : x
  2. Step 2: Convert to fraction form
    562,216.60/775,865.03 = 307,562.32/x
  3. Step 3: Cross multiply
    562,216.60x = 775,865.03 × 307,562.32
  4. Step 4: Simplify right side
    562,216.60x = 238,626,848,633.67
  5. Step 5: Solve for x
    x = 238,626,848,633.67/562,216.60
  6. Step 6: Final answer
    x = 424,439.35

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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.