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Finding the Fourth Proportional to 456,415.59, 629,805.05 and 252,434.10

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Solution

The fourth proportional to 456,415.59, 629,805.05 and 252,434.10 is: 348,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,415.59 : 629,805.05 = 252,434.10 : x
  2. Step 2: Convert to fraction form
    456,415.59/629,805.05 = 252,434.10/x
  3. Step 3: Cross multiply
    456,415.59x = 629,805.05 × 252,434.10
  4. Step 4: Simplify right side
    456,415.59x = 158,984,269,710.04
  5. Step 5: Solve for x
    x = 158,984,269,710.04/456,415.59
  6. Step 6: Final answer
    x = 348,332.25

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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.