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Finding the Fourth Proportional to 357,437.92, 536,168.40 and 170,468.32

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Solution

The fourth proportional to 357,437.92, 536,168.40 and 170,468.32 is: 255,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,437.92 : 536,168.40 = 170,468.32 : x
  2. Step 2: Convert to fraction form
    357,437.92/536,168.40 = 170,468.32/x
  3. Step 3: Cross multiply
    357,437.92x = 536,168.40 × 170,468.32
  4. Step 4: Simplify right side
    357,437.92x = 91,399,726,385.09
  5. Step 5: Solve for x
    x = 91,399,726,385.09/357,437.92
  6. Step 6: Final answer
    x = 255,707.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.