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Finding the Fourth Proportional to 624,477.16, 861,799.37 and 382,713.02

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Solution

The fourth proportional to 624,477.16, 861,799.37 and 382,713.02 is: 528,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,477.16 : 861,799.37 = 382,713.02 : x
  2. Step 2: Convert to fraction form
    624,477.16/861,799.37 = 382,713.02/x
  3. Step 3: Cross multiply
    624,477.16x = 861,799.37 × 382,713.02
  4. Step 4: Simplify right side
    624,477.16x = 329,821,836,535.98
  5. Step 5: Solve for x
    x = 329,821,836,535.98/624,477.16
  6. Step 6: Final answer
    x = 528,156.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.