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Finding the Fourth Proportional to 437,553.90, 614,441.70 and 437,553.90

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Solution

The fourth proportional to 437,553.90, 614,441.70 and 437,553.90 is: 614,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,553.90 : 614,441.70 = 437,553.90 : x
  2. Step 2: Convert to fraction form
    437,553.90/614,441.70 = 437,553.90/x
  3. Step 3: Cross multiply
    437,553.90x = 614,441.70 × 437,553.90
  4. Step 4: Simplify right side
    437,553.90x = 268,851,362,157.63
  5. Step 5: Solve for x
    x = 268,851,362,157.63/437,553.90
  6. Step 6: Final answer
    x = 614,441.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.