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Finding the Fourth Proportional to 710,715.18, 980,692.44 and 456,410.82

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Solution

The fourth proportional to 710,715.18, 980,692.44 and 456,410.82 is: 629,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,715.18 : 980,692.44 = 456,410.82 : x
  2. Step 2: Convert to fraction form
    710,715.18/980,692.44 = 456,410.82/x
  3. Step 3: Cross multiply
    710,715.18x = 980,692.44 × 456,410.82
  4. Step 4: Simplify right side
    710,715.18x = 447,598,640,708.20
  5. Step 5: Solve for x
    x = 447,598,640,708.20/710,715.18
  6. Step 6: Final answer
    x = 629,786.24

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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.