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Finding the Fourth Proportional to 506,346.68, 698,729.60 and 276,861.16

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Solution

The fourth proportional to 506,346.68, 698,729.60 and 276,861.16 is: 382,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,346.68 : 698,729.60 = 276,861.16 : x
  2. Step 2: Convert to fraction form
    506,346.68/698,729.60 = 276,861.16/x
  3. Step 3: Cross multiply
    506,346.68x = 698,729.60 × 276,861.16
  4. Step 4: Simplify right side
    506,346.68x = 193,451,087,582.34
  5. Step 5: Solve for x
    x = 193,451,087,582.34/506,346.68
  6. Step 6: Final answer
    x = 382,052.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.