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Finding the Fourth Proportional to 624,111.80, 936,167.70 and 529,633.40

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Solution

The fourth proportional to 624,111.80, 936,167.70 and 529,633.40 is: 794,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,111.80 : 936,167.70 = 529,633.40 : x
  2. Step 2: Convert to fraction form
    624,111.80/936,167.70 = 529,633.40/x
  3. Step 3: Cross multiply
    624,111.80x = 936,167.70 × 529,633.40
  4. Step 4: Simplify right side
    624,111.80x = 495,825,681,921.18
  5. Step 5: Solve for x
    x = 495,825,681,921.18/624,111.80
  6. Step 6: Final answer
    x = 794,450.10

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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.