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Finding the Fourth Proportional to 610,756.34, 842,844.76 and 338,824.24

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Solution

The fourth proportional to 610,756.34, 842,844.76 and 338,824.24 is: 467,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,756.34 : 842,844.76 = 338,824.24 : x
  2. Step 2: Convert to fraction form
    610,756.34/842,844.76 = 338,824.24/x
  3. Step 3: Cross multiply
    610,756.34x = 842,844.76 × 338,824.24
  4. Step 4: Simplify right side
    610,756.34x = 285,576,234,397.92
  5. Step 5: Solve for x
    x = 285,576,234,397.92/610,756.34
  6. Step 6: Final answer
    x = 467,578.01

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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.