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Finding the Fourth Proportional to 624,752.20, 936,909.60 and 325,133.20

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Solution

The fourth proportional to 624,752.20, 936,909.60 and 325,133.20 is: 487,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,752.20 : 936,909.60 = 325,133.20 : x
  2. Step 2: Convert to fraction form
    624,752.20/936,909.60 = 325,133.20/x
  3. Step 3: Cross multiply
    624,752.20x = 936,909.60 × 325,133.20
  4. Step 4: Simplify right side
    624,752.20x = 304,620,416,358.72
  5. Step 5: Solve for x
    x = 304,620,416,358.72/624,752.20
  6. Step 6: Final answer
    x = 487,585.98

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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.