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Finding the Fourth Proportional to 533,505.07, 800,253.35 and 217,740.54

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Solution

The fourth proportional to 533,505.07, 800,253.35 and 217,740.54 is: 326,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,505.07 : 800,253.35 = 217,740.54 : x
  2. Step 2: Convert to fraction form
    533,505.07/800,253.35 = 217,740.54/x
  3. Step 3: Cross multiply
    533,505.07x = 800,253.35 × 217,740.54
  4. Step 4: Simplify right side
    533,505.07x = 174,247,596,565.81
  5. Step 5: Solve for x
    x = 174,247,596,565.81/533,505.07
  6. Step 6: Final answer
    x = 326,609.07

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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.