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Finding the Fourth Proportional to 456,958.59, 630,602.78 and 255,754.59

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Solution

The fourth proportional to 456,958.59, 630,602.78 and 255,754.59 is: 352,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,958.59 : 630,602.78 = 255,754.59 : x
  2. Step 2: Convert to fraction form
    456,958.59/630,602.78 = 255,754.59/x
  3. Step 3: Cross multiply
    456,958.59x = 630,602.78 × 255,754.59
  4. Step 4: Simplify right side
    456,958.59x = 161,279,554,172.99
  5. Step 5: Solve for x
    x = 161,279,554,172.99/456,958.59
  6. Step 6: Final answer
    x = 352,941.29

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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.