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Finding the Fourth Proportional to 374,224.80, 561,526.80 and 163,864.80

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Solution

The fourth proportional to 374,224.80, 561,526.80 and 163,864.80 is: 245,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,224.80 : 561,526.80 = 163,864.80 : x
  2. Step 2: Convert to fraction form
    374,224.80/561,526.80 = 163,864.80/x
  3. Step 3: Cross multiply
    374,224.80x = 561,526.80 × 163,864.80
  4. Step 4: Simplify right side
    374,224.80x = 92,014,476,776.64
  5. Step 5: Solve for x
    x = 92,014,476,776.64/374,224.80
  6. Step 6: Final answer
    x = 245,880.22

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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.