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Finding the Fourth Proportional to 326,133.60, 488,595.60 and 185,474.40

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Solution

The fourth proportional to 326,133.60, 488,595.60 and 185,474.40 is: 277,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,133.60 : 488,595.60 = 185,474.40 : x
  2. Step 2: Convert to fraction form
    326,133.60/488,595.60 = 185,474.40/x
  3. Step 3: Cross multiply
    326,133.60x = 488,595.60 × 185,474.40
  4. Step 4: Simplify right side
    326,133.60x = 90,621,975,752.64
  5. Step 5: Solve for x
    x = 90,621,975,752.64/326,133.60
  6. Step 6: Final answer
    x = 277,867.65

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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.