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Finding the Fourth Proportional to 525,438.01, 788,267.84 and 170,424.46

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Solution

The fourth proportional to 525,438.01, 788,267.84 and 170,424.46 is: 255,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,438.01 : 788,267.84 = 170,424.46 : x
  2. Step 2: Convert to fraction form
    525,438.01/788,267.84 = 170,424.46/x
  3. Step 3: Cross multiply
    525,438.01x = 788,267.84 × 170,424.46
  4. Step 4: Simplify right side
    525,438.01x = 134,340,120,967.37
  5. Step 5: Solve for x
    x = 134,340,120,967.37/525,438.01
  6. Step 6: Final answer
    x = 255,672.64

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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.