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Finding the Fourth Proportional to 666,229.76, 999,344.81 and 186,528.23

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Solution

The fourth proportional to 666,229.76, 999,344.81 and 186,528.23 is: 279,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,229.76 : 999,344.81 = 186,528.23 : x
  2. Step 2: Convert to fraction form
    666,229.76/999,344.81 = 186,528.23/x
  3. Step 3: Cross multiply
    666,229.76x = 999,344.81 × 186,528.23
  4. Step 4: Simplify right side
    666,229.76x = 186,406,019,859.86
  5. Step 5: Solve for x
    x = 186,406,019,859.86/666,229.76
  6. Step 6: Final answer
    x = 279,792.40

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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.