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Finding the Fourth Proportional to 357,725.55, 493,455.71 and 223,356.27

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Solution

The fourth proportional to 357,725.55, 493,455.71 and 223,356.27 is: 308,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,725.55 : 493,455.71 = 223,356.27 : x
  2. Step 2: Convert to fraction form
    357,725.55/493,455.71 = 223,356.27/x
  3. Step 3: Cross multiply
    357,725.55x = 493,455.71 × 223,356.27
  4. Step 4: Simplify right side
    357,725.55x = 110,216,426,795.80
  5. Step 5: Solve for x
    x = 110,216,426,795.80/357,725.55
  6. Step 6: Final answer
    x = 308,103.31

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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.