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Finding the Fourth Proportional to 624,738.60, 937,010.70 and 175,415.40

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Solution

The fourth proportional to 624,738.60, 937,010.70 and 175,415.40 is: 263,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,738.60 : 937,010.70 = 175,415.40 : x
  2. Step 2: Convert to fraction form
    624,738.60/937,010.70 = 175,415.40/x
  3. Step 3: Cross multiply
    624,738.60x = 937,010.70 × 175,415.40
  4. Step 4: Simplify right side
    624,738.60x = 164,366,106,744.78
  5. Step 5: Solve for x
    x = 164,366,106,744.78/624,738.60
  6. Step 6: Final answer
    x = 263,095.81

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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.