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Finding the Fourth Proportional to 459,337.32, 686,370.96 and 350,665.29

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Solution

The fourth proportional to 459,337.32, 686,370.96 and 350,665.29 is: 523,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,337.32 : 686,370.96 = 350,665.29 : x
  2. Step 2: Convert to fraction form
    459,337.32/686,370.96 = 350,665.29/x
  3. Step 3: Cross multiply
    459,337.32x = 686,370.96 × 350,665.29
  4. Step 4: Simplify right side
    459,337.32x = 240,686,471,735.98
  5. Step 5: Solve for x
    x = 240,686,471,735.98/459,337.32
  6. Step 6: Final answer
    x = 523,986.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.