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Finding the Fourth Proportional to 628,305.53, 935,351.59 and 624,568.81

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Solution

The fourth proportional to 628,305.53, 935,351.59 and 624,568.81 is: 929,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,305.53 : 935,351.59 = 624,568.81 : x
  2. Step 2: Convert to fraction form
    628,305.53/935,351.59 = 624,568.81/x
  3. Step 3: Cross multiply
    628,305.53x = 935,351.59 × 624,568.81
  4. Step 4: Simplify right side
    628,305.53x = 584,191,424,821.15
  5. Step 5: Solve for x
    x = 584,191,424,821.15/628,305.53
  6. Step 6: Final answer
    x = 929,788.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.