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Finding the Fourth Proportional to 720,622.37, 994,557.69 and 414,692.46

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Solution

The fourth proportional to 720,622.37, 994,557.69 and 414,692.46 is: 572,332.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,622.37 : 994,557.69 = 414,692.46 : x
  2. Step 2: Convert to fraction form
    720,622.37/994,557.69 = 414,692.46/x
  3. Step 3: Cross multiply
    720,622.37x = 994,557.69 × 414,692.46
  4. Step 4: Simplify right side
    720,622.37x = 412,435,575,078.02
  5. Step 5: Solve for x
    x = 412,435,575,078.02/720,622.37
  6. Step 6: Final answer
    x = 572,332.46

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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.