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Finding the Fourth Proportional to 628,344.51, 935,409.48 and 624,607.80

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Solution

The fourth proportional to 628,344.51, 935,409.48 and 624,607.80 is: 929,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,344.51 : 935,409.48 = 624,607.80 : x
  2. Step 2: Convert to fraction form
    628,344.51/935,409.48 = 624,607.80/x
  3. Step 3: Cross multiply
    628,344.51x = 935,409.48 × 624,607.80
  4. Step 4: Simplify right side
    628,344.51x = 584,264,057,401.94
  5. Step 5: Solve for x
    x = 584,264,057,401.94/628,344.51
  6. Step 6: Final answer
    x = 929,846.68

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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.