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Finding the Fourth Proportional to 366,915.80, 549,936.30 and 153,683.30

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Solution

The fourth proportional to 366,915.80, 549,936.30 and 153,683.30 is: 230,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,915.80 : 549,936.30 = 153,683.30 : x
  2. Step 2: Convert to fraction form
    366,915.80/549,936.30 = 153,683.30/x
  3. Step 3: Cross multiply
    366,915.80x = 549,936.30 × 153,683.30
  4. Step 4: Simplify right side
    366,915.80x = 84,516,025,373.79
  5. Step 5: Solve for x
    x = 84,516,025,373.79/366,915.80
  6. Step 6: Final answer
    x = 230,341.74

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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.