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Finding the Fourth Proportional to 291,533.52, 402,178.80 and 170,600.64

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Solution

The fourth proportional to 291,533.52, 402,178.80 and 170,600.64 is: 235,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,533.52 : 402,178.80 = 170,600.64 : x
  2. Step 2: Convert to fraction form
    291,533.52/402,178.80 = 170,600.64/x
  3. Step 3: Cross multiply
    291,533.52x = 402,178.80 × 170,600.64
  4. Step 4: Simplify right side
    291,533.52x = 68,611,960,674.43
  5. Step 5: Solve for x
    x = 68,611,960,674.43/291,533.52
  6. Step 6: Final answer
    x = 235,348.45

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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.