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Finding the Fourth Proportional to 315,658.76, 473,498.23 and 123,525.57

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Solution

The fourth proportional to 315,658.76, 473,498.23 and 123,525.57 is: 185,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,658.76 : 473,498.23 = 123,525.57 : x
  2. Step 2: Convert to fraction form
    315,658.76/473,498.23 = 123,525.57/x
  3. Step 3: Cross multiply
    315,658.76x = 473,498.23 × 123,525.57
  4. Step 4: Simplify right side
    315,658.76x = 58,489,138,137.11
  5. Step 5: Solve for x
    x = 58,489,138,137.11/315,658.76
  6. Step 6: Final answer
    x = 185,292.30

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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.