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Finding the Fourth Proportional to 458,844.80, 688,365.59 and 192,451.77

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Solution

The fourth proportional to 458,844.80, 688,365.59 and 192,451.77 is: 288,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,844.80 : 688,365.59 = 192,451.77 : x
  2. Step 2: Convert to fraction form
    458,844.80/688,365.59 = 192,451.77/x
  3. Step 3: Cross multiply
    458,844.80x = 688,365.59 × 192,451.77
  4. Step 4: Simplify right side
    458,844.80x = 132,477,175,240.34
  5. Step 5: Solve for x
    x = 132,477,175,240.34/458,844.80
  6. Step 6: Final answer
    x = 288,718.92

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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.