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Finding the Fourth Proportional to 619,314.88, 928,973.77 and 170,041.90

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Solution

The fourth proportional to 619,314.88, 928,973.77 and 170,041.90 is: 255,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,314.88 : 928,973.77 = 170,041.90 : x
  2. Step 2: Convert to fraction form
    619,314.88/928,973.77 = 170,041.90/x
  3. Step 3: Cross multiply
    619,314.88x = 928,973.77 × 170,041.90
  4. Step 4: Simplify right side
    619,314.88x = 157,964,464,900.96
  5. Step 5: Solve for x
    x = 157,964,464,900.96/619,314.88
  6. Step 6: Final answer
    x = 255,063.25

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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.