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Finding the Fourth Proportional to 223,898.46, 308,454.32 and 155,798.32

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Solution

The fourth proportional to 223,898.46, 308,454.32 and 155,798.32 is: 214,635.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,898.46 : 308,454.32 = 155,798.32 : x
  2. Step 2: Convert to fraction form
    223,898.46/308,454.32 = 155,798.32/x
  3. Step 3: Cross multiply
    223,898.46x = 308,454.32 × 155,798.32
  4. Step 4: Simplify right side
    223,898.46x = 48,056,664,852.74
  5. Step 5: Solve for x
    x = 48,056,664,852.74/223,898.46
  6. Step 6: Final answer
    x = 214,635.98

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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.