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Finding the Fourth Proportional to 459,683.42, 688,099.53 and 248,798.30

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Solution

The fourth proportional to 459,683.42, 688,099.53 and 248,798.30 is: 372,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,683.42 : 688,099.53 = 248,798.30 : x
  2. Step 2: Convert to fraction form
    459,683.42/688,099.53 = 248,798.30/x
  3. Step 3: Cross multiply
    459,683.42x = 688,099.53 × 248,798.30
  4. Step 4: Simplify right side
    459,683.42x = 171,197,993,294.80
  5. Step 5: Solve for x
    x = 171,197,993,294.80/459,683.42
  6. Step 6: Final answer
    x = 372,425.86

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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.