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Finding the Fourth Proportional to 456,366.18, 629,807.50 and 252,416.28

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Solution

The fourth proportional to 456,366.18, 629,807.50 and 252,416.28 is: 348,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,366.18 : 629,807.50 = 252,416.28 : x
  2. Step 2: Convert to fraction form
    456,366.18/629,807.50 = 252,416.28/x
  3. Step 3: Cross multiply
    456,366.18x = 629,807.50 × 252,416.28
  4. Step 4: Simplify right side
    456,366.18x = 158,973,666,266.10
  5. Step 5: Solve for x
    x = 158,973,666,266.10/456,366.18
  6. Step 6: Final answer
    x = 348,346.73

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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.