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Finding the Fourth Proportional to 610,453.01, 842,384.04 and 338,510.90

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Solution

The fourth proportional to 610,453.01, 842,384.04 and 338,510.90 is: 467,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,453.01 : 842,384.04 = 338,510.90 : x
  2. Step 2: Convert to fraction form
    610,453.01/842,384.04 = 338,510.90/x
  3. Step 3: Cross multiply
    610,453.01x = 842,384.04 × 338,510.90
  4. Step 4: Simplify right side
    610,453.01x = 285,156,175,314.12
  5. Step 5: Solve for x
    x = 285,156,175,314.12/610,453.01
  6. Step 6: Final answer
    x = 467,122.24

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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.