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Finding the Fourth Proportional to 661,864.23, 992,894.76 and 306,914.13

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Solution

The fourth proportional to 661,864.23, 992,894.76 and 306,914.13 is: 460,416.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,864.23 : 992,894.76 = 306,914.13 : x
  2. Step 2: Convert to fraction form
    661,864.23/992,894.76 = 306,914.13/x
  3. Step 3: Cross multiply
    661,864.23x = 992,894.76 × 306,914.13
  4. Step 4: Simplify right side
    661,864.23x = 304,733,431,446.96
  5. Step 5: Solve for x
    x = 304,733,431,446.96/661,864.23
  6. Step 6: Final answer
    x = 460,416.83

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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.