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Finding the Fourth Proportional to 384,885.60, 577,328.40 and 174,933.60

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Solution

The fourth proportional to 384,885.60, 577,328.40 and 174,933.60 is: 262,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,885.60 : 577,328.40 = 174,933.60 : x
  2. Step 2: Convert to fraction form
    384,885.60/577,328.40 = 174,933.60/x
  3. Step 3: Cross multiply
    384,885.60x = 577,328.40 × 174,933.60
  4. Step 4: Simplify right side
    384,885.60x = 100,994,135,394.24
  5. Step 5: Solve for x
    x = 100,994,135,394.24/384,885.60
  6. Step 6: Final answer
    x = 262,400.40

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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.