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Finding the Fourth Proportional to 561,692.26, 774,689.16 and 424,329.22

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Solution

The fourth proportional to 561,692.26, 774,689.16 and 424,329.22 is: 585,237.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,692.26 : 774,689.16 = 424,329.22 : x
  2. Step 2: Convert to fraction form
    561,692.26/774,689.16 = 424,329.22/x
  3. Step 3: Cross multiply
    561,692.26x = 774,689.16 × 424,329.22
  4. Step 4: Simplify right side
    561,692.26x = 328,723,247,005.26
  5. Step 5: Solve for x
    x = 328,723,247,005.26/561,692.26
  6. Step 6: Final answer
    x = 585,237.27

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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.