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Finding the Fourth Proportional to 896,359, 1,236,975.42 and 493,951

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Solution

The fourth proportional to 896,359, 1,236,975.42 and 493,951 is: 681,652.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,359 : 1,236,975.42 = 493,951 : x
  2. Step 2: Convert to fraction form
    896,359/1,236,975.42 = 493,951/x
  3. Step 3: Cross multiply
    896,359x = 1,236,975.42 × 493,951
  4. Step 4: Simplify right side
    896,359x = 611,005,245,684.42
  5. Step 5: Solve for x
    x = 611,005,245,684.42/896,359
  6. Step 6: Final answer
    x = 681,652.38

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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.