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Finding the Fourth Proportional to 895,662.57, 1,235,958.33 and 493,254.57

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Solution

The fourth proportional to 895,662.57, 1,235,958.33 and 493,254.57 is: 680,660.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,662.57 : 1,235,958.33 = 493,254.57 : x
  2. Step 2: Convert to fraction form
    895,662.57/1,235,958.33 = 493,254.57/x
  3. Step 3: Cross multiply
    895,662.57x = 1,235,958.33 × 493,254.57
  4. Step 4: Simplify right side
    895,662.57x = 609,642,094,602.07
  5. Step 5: Solve for x
    x = 609,642,094,602.07/895,662.57
  6. Step 6: Final answer
    x = 680,660.46

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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.