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Finding the Fourth Proportional to 459,222.40, 688,833.60 and 354,246.40

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Solution

The fourth proportional to 459,222.40, 688,833.60 and 354,246.40 is: 531,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,222.40 : 688,833.60 = 354,246.40 : x
  2. Step 2: Convert to fraction form
    459,222.40/688,833.60 = 354,246.40/x
  3. Step 3: Cross multiply
    459,222.40x = 688,833.60 × 354,246.40
  4. Step 4: Simplify right side
    459,222.40x = 244,016,822,999.04
  5. Step 5: Solve for x
    x = 244,016,822,999.04/459,222.40
  6. Step 6: Final answer
    x = 531,369.60

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Similar ratio
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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.