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Finding the Fourth Proportional to 923,896.80, 1,384,808.40 and 524,728.80

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Solution

The fourth proportional to 923,896.80, 1,384,808.40 and 524,728.80 is: 786,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,896.80 : 1,384,808.40 = 524,728.80 : x
  2. Step 2: Convert to fraction form
    923,896.80/1,384,808.40 = 524,728.80/x
  3. Step 3: Cross multiply
    923,896.80x = 1,384,808.40 × 524,728.80
  4. Step 4: Simplify right side
    923,896.80x = 726,648,849,961.92
  5. Step 5: Solve for x
    x = 726,648,849,961.92/923,896.80
  6. Step 6: Final answer
    x = 786,504.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.