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Finding the Fourth Proportional to 315,392.01, 473,226.93 and 165,597.50

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Solution

The fourth proportional to 315,392.01, 473,226.93 and 165,597.50 is: 248,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,392.01 : 473,226.93 = 165,597.50 : x
  2. Step 2: Convert to fraction form
    315,392.01/473,226.93 = 165,597.50/x
  3. Step 3: Cross multiply
    315,392.01x = 473,226.93 × 165,597.50
  4. Step 4: Simplify right side
    315,392.01x = 78,365,194,174.54
  5. Step 5: Solve for x
    x = 78,365,194,174.54/315,392.01
  6. Step 6: Final answer
    x = 248,469.18

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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.