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Finding the Fourth Proportional to 374,624.28, 561,675.74 and 161,328.23

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Solution

The fourth proportional to 374,624.28, 561,675.74 and 161,328.23 is: 241,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,624.28 : 561,675.74 = 161,328.23 : x
  2. Step 2: Convert to fraction form
    374,624.28/561,675.74 = 161,328.23/x
  3. Step 3: Cross multiply
    374,624.28x = 561,675.74 × 161,328.23
  4. Step 4: Simplify right side
    374,624.28x = 90,614,151,459.40
  5. Step 5: Solve for x
    x = 90,614,151,459.40/374,624.28
  6. Step 6: Final answer
    x = 241,880.08

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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.