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Finding the Fourth Proportional to 525,448.08, 788,282.76 and 170,434.32

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Solution

The fourth proportional to 525,448.08, 788,282.76 and 170,434.32 is: 255,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,448.08 : 788,282.76 = 170,434.32 : x
  2. Step 2: Convert to fraction form
    525,448.08/788,282.76 = 170,434.32/x
  3. Step 3: Cross multiply
    525,448.08x = 788,282.76 × 170,434.32
  4. Step 4: Simplify right side
    525,448.08x = 134,350,436,168.32
  5. Step 5: Solve for x
    x = 134,350,436,168.32/525,448.08
  6. Step 6: Final answer
    x = 255,687.37

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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.