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Finding the Fourth Proportional to 335,706.01, 462,391.78 and 258,033.12

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Solution

The fourth proportional to 335,706.01, 462,391.78 and 258,033.12 is: 355,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,706.01 : 462,391.78 = 258,033.12 : x
  2. Step 2: Convert to fraction form
    335,706.01/462,391.78 = 258,033.12/x
  3. Step 3: Cross multiply
    335,706.01x = 462,391.78 × 258,033.12
  4. Step 4: Simplify right side
    335,706.01x = 119,312,393,655.75
  5. Step 5: Solve for x
    x = 119,312,393,655.75/335,706.01
  6. Step 6: Final answer
    x = 355,407.38

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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.