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Finding the Fourth Proportional to 737,155.64, 1,017,588.64 and 495,578.32

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Solution

The fourth proportional to 737,155.64, 1,017,588.64 and 495,578.32 is: 684,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,155.64 : 1,017,588.64 = 495,578.32 : x
  2. Step 2: Convert to fraction form
    737,155.64/1,017,588.64 = 495,578.32/x
  3. Step 3: Cross multiply
    737,155.64x = 1,017,588.64 × 495,578.32
  4. Step 4: Simplify right side
    737,155.64x = 504,294,868,662.29
  5. Step 5: Solve for x
    x = 504,294,868,662.29/737,155.64
  6. Step 6: Final answer
    x = 684,109.08

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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.