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Finding the Fourth Proportional to 366,915.80, 550,373.70 and 334,256.60

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Solution

The fourth proportional to 366,915.80, 550,373.70 and 334,256.60 is: 501,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,915.80 : 550,373.70 = 334,256.60 : x
  2. Step 2: Convert to fraction form
    366,915.80/550,373.70 = 334,256.60/x
  3. Step 3: Cross multiply
    366,915.80x = 550,373.70 × 334,256.60
  4. Step 4: Simplify right side
    366,915.80x = 183,966,041,691.42
  5. Step 5: Solve for x
    x = 183,966,041,691.42/366,915.80
  6. Step 6: Final answer
    x = 501,384.90

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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.