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Finding the Fourth Proportional to 624,739.60, 937,012.20 and 175,416.40

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Solution

The fourth proportional to 624,739.60, 937,012.20 and 175,416.40 is: 263,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,739.60 : 937,012.20 = 175,416.40 : x
  2. Step 2: Convert to fraction form
    624,739.60/937,012.20 = 175,416.40/x
  3. Step 3: Cross multiply
    624,739.60x = 937,012.20 × 175,416.40
  4. Step 4: Simplify right side
    624,739.60x = 164,367,306,880.08
  5. Step 5: Solve for x
    x = 164,367,306,880.08/624,739.60
  6. Step 6: Final answer
    x = 263,097.31

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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.